Merge pull request #259 from picturepan2/0.2.16 v0.3.1

0.3.1
Commit: 7395257d70d8c60b5c4499f297f03b75db5af230 (patch)
Author: Yan Zhu <picturepan2@hotmail.com> 2017-08-19 15:31:50 +0800
Committer: GitHub <noreply@github.com> 2017-08-19 15:31:50 +0800
Files: 4998e47bf96155870506a272ba6298cf866a742a
Parent: c9e625c9dd8f1628c58b10bb165961eae068002f (diff)
Parent: d5f1cb0ba2e559db550a94297f1979be9735bc0b (diff)
32 files changed, 1181 insertions, 915 deletions
diff --git a/README.md b/README.md
index 65b957a..483884f 100644
--- a/README.md
+++ b/README.md
@@ -55,8 +55,6 @@ You can compile your custom version of Spectre.css. Read [the documentation](htt
 - [Flexbox grid](https://picturepan2.github.io/spectre/layout.html#grid) - flexbox based responsive grid system
 - [Responsive](https://picturepan2.github.io/spectre/layout.html#responsive) - responsive grid and utilities
 - [Navbar](https://picturepan2.github.io/spectre/layout.html#navbar) - layout container that appears in the header of apps and websites
-- [Panels](https://picturepan2.github.io/spectre/layout.html#panels) - flexible view container layout with auto-expand content section
-- [Empty states](https://picturepan2.github.io/spectre/layout.html#empty) - empty states/blank slates for first time use, empty data and error screens
 
 #### Components
 - [Accordions](https://picturepan2.github.io/spectre/components.html#accordions) - used to toggle sections of content
@@ -67,10 +65,12 @@ You can compile your custom version of Spectre.css. Read [the documentation](htt
 - [Bars](https://picturepan2.github.io/spectre/components.html#bars) - progress of a task or the value within the known range
 - [Cards](https://picturepan2.github.io/spectre/components.html#cards) - flexible content containers
 - [Chips](https://picturepan2.github.io/spectre/components.html#chips) - complex entities in small blocks
+- [Empty states](https://picturepan2.github.io/spectre/components.html#empty) - empty states/blank slates for first time use, empty data and error screens
 - [Menus](https://picturepan2.github.io/spectre/components.html#menus) - list of links or buttons for actions and navigation
 - [Navs](https://picturepan2.github.io/spectre/components.html#navs) - navigational list of links
 - [Modals](https://picturepan2.github.io/spectre/components.html#modals) - flexible dialog prompts
 - [Pagination](https://picturepan2.github.io/spectre/components.html#pagination) - navigational links for multiple pages
+- [Panels](https://picturepan2.github.io/spectre/components.html#panels) - flexible view container with auto-expand content section
 - [Popovers](https://picturepan2.github.io/spectre/components.html#popovers) - small overlay content containers
 - [Steps](https://picturepan2.github.io/spectre/components.html#steps) - progress indicators of a sequence of task steps
 - [Tabs](https://picturepan2.github.io/spectre/components.html#tabs) - toggle for different views
diff --git a/bower.json b/bower.json
index a20e4bb..92a8b7b 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "spectre.css",
-  "version": "0.2.15",
+  "version": "0.3.1",
   "description": "Spectre.css: a lightweight, responsive and modern CSS framework.",
   "homepage": "http://picturepan2.github.io/spectre",
   "repository": "picturepan2/spectre",
diff --git a/docs/components.html b/docs/components.html
index 3143683..ef5f18d 100644
--- a/docs/components.html
+++ b/docs/components.html
@@ -104,12 +104,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -145,6 +139,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -157,6 +154,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -732,7 +732,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Slider bars</h4>
+          <h4 id="bars-slider" class="s-subtitle">Slider bars</h4>
           <div class="columns">
             <div class="column col-8 col-xs-12">
               <div class="bar bar-slider">
@@ -788,7 +788,7 @@
           </div>
           <div class="columns">
               <div class="column col-12">
-                  <ul class="breadcrumb" role="navigation">
+                  <ul class="breadcrumb">
                     <li class="breadcrumb-item">
                       <a href="#breadcrumbs" class="tooltip" data-tooltip="Home">
                         Home
@@ -802,7 +802,7 @@
                   </ul>
                 </div>
             <div class="column col-12">
-              <ul class="breadcrumb" role="navigation">
+              <ul class="breadcrumb">
                 <li class="breadcrumb-item">
                   <a href="#breadcrumbs" class="tooltip" data-tooltip="Home">
                     Home
@@ -874,7 +874,7 @@
                 </div>
                 <div class="card-header">
                   <div class="card-title h5">Microsoft</div>
-                  <div class="card-subtitle">Software and hardware</div>
+                  <div class="card-subtitle text-gray">Software and hardware</div>
                 </div>
                 <div class="card-body">
                   Empower every person and every organization on the planet to achieve more.
@@ -888,7 +888,7 @@
               <div class="card">
                 <div class="card-header">
                   <div class="card-title h5">Apple</div>
-                  <div class="card-subtitle">Hardware and software</div>
+                  <div class="card-subtitle text-gray">Hardware and software</div>
                 </div>
                 <div class="card-image">
                   <img class="img-responsive" src="img/osx-yosemite.jpg" alt="OS X Yosemite" />
@@ -913,7 +913,7 @@
                 <div class="card-header">
                   <button class="btn btn-primary float-right"><i class="icon icon-plus"></i></button>
                   <div class="card-title h5">Google I/O</div>
-                  <div class="card-subtitle">Software and hardware</div>
+                  <div class="card-subtitle text-gray">Software and hardware</div>
                 </div>
                 <div class="card-body">
                   An immersive, three-day experience focused on exploring the next generation of technology, mobile and beyond.
@@ -938,7 +938,7 @@
               <div class="card">
                 <div class="card-header">
                   <div class="card-title h5">Apple</div>
-                  <div class="card-subtitle">Hardware and software</div>
+                  <div class="card-subtitle text-gray">Hardware and software</div>
                 </div>
                 <div class="card-body">
                   To make a contribution to the world by making tools for the mind that advance humankind.
@@ -952,7 +952,7 @@
               <div class="card">
                 <div class="card-header">
                   <div class="card-title h5">Google</div>
-                  <div class="card-subtitle">Software and hardware</div>
+                  <div class="card-subtitle text-gray">Software and hardware</div>
                 </div>
                 <div class="card-body">
                   Organize the world’s information and make it universally accessible and useful.
@@ -978,7 +978,7 @@
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;card-header&quot;</span>&gt;
     &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;card-title h5&quot;</span>&gt;Microsoft&lt;<span class="tag">/div</span>&gt;
-    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;card-subtitle&quot;</span>&gt;Software and hardware&lt;<span class="tag">/div</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;card-subtitle text-gray&quot;</span>&gt;Software and hardware&lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;card-body&quot;</span>&gt;
     Empower every person and every organization on the planet to achieve more.
@@ -1049,6 +1049,73 @@
 
         </div>
 
+        <div id="empty" class="container">
+          <h3 class="s-title"><a href="#empty" class="anchor" aria-hidden="true">#</a>Empty states</h3>
+          <div class="docs-note">
+            <p>Empty states/blank slates are commonly used as placeholders for first time use, empty data and error screens.</p>
+          </div>
+          <div class="columns">
+            <div class="column col-12">
+              <div class="empty">
+                <div class="empty-icon">
+                  <i class="icon icon-message"></i>
+                </div>
+                <p class="empty-title h5">You have no new messages</p>
+                <p class="empty-subtitle">Click the button to start a conversation</p>
+                <div class="empty-action">
+                  <button class="btn btn-primary">Send a message</button>
+                </div>
+              </div>
+            </div>
+            <div class="column col-12">
+              <div class="empty">
+                <div class="empty-icon">
+                  <i class="icon icon-mail"></i>
+                </div>
+                <p class="empty-title h5">You've successfully signed up</p>
+                <p class="empty-subtitle">Click the button to invite your friends</p>
+                <div class="empty-action">
+                  <button class="btn btn-primary">Invite your friends</button>
+                </div>
+                <div class="empty-action">
+                  <button class="btn btn-link">Skip</button>
+                </div>
+              </div>
+            </div>
+            <div class="column col-12">
+              <div class="empty">
+                <div class="empty-icon">
+                  <i class="icon icon-people"></i>
+                </div>
+                <p class="empty-title h5">You are not following anyone</p>
+                <p class="empty-subtitle">Start to meet new friends</p>
+                <div class="empty-action input-group input-inline">
+                  <input type="text" class="form-input" placeholder="" />
+                  <button class="btn btn-primary input-group-btn">Search</button>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <div class="docs-note">
+            <p>An empty state component can include icons, messages (title and subtitle messages) and action buttons or any combination of those elements. Add <code>empty-icon</code>, <code>empty-title</code>, <code>empty-subtitle</code> or <code>empty-action</code> to the elements. HTML structure is exampled below. </p>
+          </div>
+
+<!-- empty states example -->
+<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty&quot;</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty-icon&quot;</span>&gt;
+    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;icon icon-people&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;empty-title h5&quot;</span>&gt;You have no new messages&lt;<span class="tag">/p</span>&gt;
+  &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;empty-subtitle&quot;</span>&gt;Click the button to start a conversation.&lt;<span class="tag">/p</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty-action&quot;</span>&gt;
+    &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-primary&quot;</span>&gt;Send a message&lt;<span class="tag">/button</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+        </div>
+
         <div id="menus" class="container">
           <h3 class="s-title"><a href="#menus" class="anchor" aria-hidden="true">#</a>Menus</h3>
           <div class="docs-note">
@@ -1176,8 +1243,8 @@
               </div>
             </div>
             <div class="column col-xs-12">
-              <div class="dropdown dropdown-right">
-                <a class="btn btn-primary dropdown-toggle" tabindex="0">dropdown button <i class="icon icon-caret"></i></a>
+              <div class="dropdown">
+                <a class="btn btn-link dropdown-toggle" tabindex="0">dropdown button <i class="icon icon-caret"></i></a>
                 <ul class="menu">
                   <li class="menu-item">
                     <a href="#dropdowns">
@@ -1197,34 +1264,31 @@
                 </ul>
               </div>
             </div>
-            <div class="column col-xs-12">
-              <div class="dropdown">
-                <a class="btn btn-link dropdown-toggle" tabindex="0">dropdown button <i class="icon icon-caret"></i></a>
-                <ul class="menu">
+          </div>
+          <div class="docs-note">
+            <p>Dropdown menus component is built entirely in CSS. It is triggered by <code>:focus</code> event.</p>
+            <p>Add a container element with the <code>dropdown</code> class. And add a focusable element with the <code>dropdown-toggle</code> class for the button and a <code>menu</code> component right next to it. You also need to add <code>tabindex</code> to make the buttons focusable.</p>
+            <p>If the dropdown is close to the right edge of the browser, you can add the <code>dropdown-right</code> class to the container to prevent it appearing off screen.</p>
+          </div>
+          <div class="columns">
+            <div class="column col-xs-12 text-right">
+              <div class="dropdown dropdown-right">
+                <a class="btn btn-primary dropdown-toggle" tabindex="0">dropdown button <i class="icon icon-caret"></i></a>
+                <ul class="menu text-left">
                   <li class="menu-item">
-                    <a href="#dropdowns">
-                      Slack
-                    </a>
+                    <a href="#dropdowns">Slack</a>
                   </li>
                   <li class="menu-item">
-                    <a href="#dropdowns">
-                      Hipchat
-                    </a>
+                    <a href="#dropdowns">Hipchat</a>
                   </li>
                   <li class="menu-item">
-                    <a href="#dropdowns">
-                      Skype
-                    </a>
+                    <a href="#dropdowns">Skype</a>
                   </li>
                 </ul>
               </div>
             </div>
           </div>
           <div class="docs-note">
-            <p>Dropdown menus component is built entirely in CSS. It is triggered by <code>:focus</code> event.</p>
-            <p>Add a container element with the <code>dropdown</code> class. And add a focusable element with the <code>dropdown-toggle</code> class for the button and a <code>menu</code> component right next to it. You also need to add <code>tabindex</code> to make the buttons focusable. If the dropdown is close to the right edge of the browser, you can add the <code>dropdown-right</code> class to the container to prevent it appearing off screen.</p>
-          </div>
-          <div class="docs-note">
             <p>Also, you can implement your JS to interact with the dropdown menus by adding the <code>active</code> class to the <code>dropdown</code> container.</p>
           </div>
 
@@ -1290,8 +1354,8 @@
                     </div>
                   </div>
                   <div class="modal-footer">
-                    <a href="#modals" class="btn btn-link">Close</a>
                     <button class="btn btn-primary">Share</button>
+                    <a href="#modals" class="btn btn-link">Close</a>
                   </div>
                 </div>
               </div>
@@ -1322,7 +1386,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Modal sizes</h4>
+          <h4 id="modals-sizes" class="s-subtitle">Modal sizes</h4>
           <div class="columns">
             <div class="column col-6 col-xs-12">
               <div class="modal-temp modal-sm">
@@ -1338,8 +1402,8 @@
                     </div>
                   </div>
                   <div class="modal-footer">
-                    <button class="btn btn-link">Close</button>
                     <button class="btn btn-primary">Share</button>
+                    <button class="btn btn-link">Close</button>
                   </div>
                 </div>
               </div>
@@ -1374,8 +1438,8 @@
                     </div>
                   </div>
                   <div class="modal-footer">
-                    <button class="btn btn-link">Close</button>
                     <button class="btn btn-primary">Submit</button>
+                    <button class="btn btn-link">Close</button>
                   </div>
                 </div>
               </div>
@@ -1491,14 +1555,14 @@
               <ul class="pagination">
                 <li class="page-item page-prev">
                   <a href="#pagination">
-                    <p class="page-item-subtitle">Previous</p>
-                    <h4 class="page-item-title">Getting started</h4>
+                    <div class="page-item-subtitle">Previous</div>
+                    <div class="page-item-title h5">Getting started</div>
                   </a>
                 </li>
                 <li class="page-item page-next">
                   <a href="#pagination">
-                    <p class="page-item-subtitle">Next</p>
-                    <h4 class="page-item-title">Layout</h4>
+                    <div class="page-item-subtitle">Next</div>
+                    <div class="page-item-title h5">Layout</div>
                   </a>
                 </li>
               </ul>
@@ -1512,14 +1576,14 @@
 <pre class="code" data-lang="HTML"><code>&lt;<span class="tag">ul</span> <span class="atn">class</span>=<span class="atv">&quot;pagination&quot;</span>&gt;
   &lt;<span class="tag">li</span> <span class="atn">class</span>=<span class="atv">&quot;page-item page-prev&quot;</span>&gt;
     &lt;<span class="tag">a</span> <span class="atn">href</span>=<span class="atv">&quot;#&quot;</span>&gt;
-      &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-subtitle&quot;</span>&gt;Previous&lt;<span class="tag">/p</span>&gt;
-      &lt;<span class="tag">h3</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-title&quot;</span>&gt;Getting started&lt;<span class="tag">/h3</span>&gt;
+      &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-subtitle&quot;</span>&gt;Previous&lt;<span class="tag">/div</span>&gt;
+      &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-title h5&quot;</span>&gt;Getting started&lt;<span class="tag">/div</span>&gt;
     &lt;<span class="tag">/a</span>&gt;
   &lt;<span class="tag">/li</span>&gt;
   &lt;<span class="tag">li</span> <span class="atn">class</span>=<span class="atv">&quot;page-item page-next&quot;</span>&gt;
     &lt;<span class="tag">a</span> <span class="atn">href</span>=<span class="atv">&quot;#&quot;</span>&gt;
-      &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-subtitle&quot;</span>&gt;Next&lt;<span class="tag">/p</span>&gt;
-      &lt;<span class="tag">h3</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-title&quot;</span>&gt;Layout&lt;<span class="tag">/h3</span>&gt;
+      &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-subtitle&quot;</span>&gt;Next&lt;<span class="tag">/div</span>&gt;
+      &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;page-item-title h5&quot;</span>&gt;Layout&lt;<span class="tag">/div</span>&gt;
     &lt;<span class="tag">/a</span>&gt;
   &lt;<span class="tag">/li</span>&gt;
 &lt;<span class="tag">/ul</span>&gt;
@@ -1527,6 +1591,167 @@
 
         </div>
 
+        <div id="panels" class="container">
+          <h3 class="s-title"><a href="#panels" class="anchor" aria-hidden="true">#</a>Panels</h3>
+          <div class="docs-note">
+            <p>Panels are flexible view container with auto-expand content section.</p>
+          </div>
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <div class="panel">
+                <div class="panel-header text-center">
+                  <figure class="avatar avatar-lg">
+                    <img src="img/avatar-2.png" alt="Avatar" />
+                  </figure>
+                  <div class="panel-title h5 mt-10">Bruce Banner</div>
+                  <div class="panel-subtitle">THE HULK</div>
+                </div>
+                <nav class="panel-nav">
+                  <ul class="tab tab-block">
+                    <li class="tab-item active">
+                      <a href="#panels">
+                        Profile
+                      </a>
+                    </li>
+                    <li class="tab-item">
+                      <a href="#panels">
+                        Files
+                      </a>
+                    </li>
+                    <li class="tab-item">
+                      <a href="#panels">
+                        Tasks
+                      </a>
+                    </li>
+                  </ul>
+                </nav>
+                <div class="panel-body">
+                  <div class="tile tile-centered">
+                    <div class="tile-content">
+                      <div class="tile-title">E-mail</div>
+                      <div class="tile-subtitle">bruce.banner@hulk.com</div>
+                    </div>
+                    <div class="tile-action">
+                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
+                    </div>
+                  </div>
+                  <div class="tile tile-centered">
+                    <div class="tile-content">
+                      <div class="tile-title">Skype</div>
+                      <div class="tile-subtitle">bruce.banner</div>
+                    </div>
+                    <div class="tile-action">
+                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
+                    </div>
+                  </div>
+                  <div class="tile tile-centered">
+                    <div class="tile-content">
+                      <div class="tile-title">Location</div>
+                      <div class="tile-subtitle">Dayton, Ohio</div>
+                    </div>
+                    <div class="tile-action">
+                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
+                    </div>
+                  </div>
+                </div>
+                <div class="panel-footer">
+                  <button class="btn btn-primary btn-block">Save</button>
+                </div>
+              </div>
+            </div>
+            <div class="column col-6 col-xs-12">
+              <div class="panel">
+                <div class="panel-header">
+                  <div class="panel-title h6">Comments</div>
+                </div>
+                <div class="panel-body">
+                  <div class="tile">
+                    <div class="tile-icon">
+                      <figure class="avatar">
+                        <img src="img/avatar-1.png" alt="Avatar" />
+                      </figure>
+                    </div>
+                    <div class="tile-content">
+                      <p class="tile-title">Thor Odinson</p>
+                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
+                    </div>
+                  </div>
+                  <div class="tile">
+                    <div class="tile-icon">
+                      <figure class="avatar">
+                        <img src="img/avatar-2.png" alt="Avatar" />
+                      </figure>
+                    </div>
+                    <div class="tile-content">
+                      <p class="tile-title">Bruce Banner</p>
+                      <p class="tile-subtitle">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
+                    </div>
+                  </div>
+                  <div class="tile">
+                    <div class="tile-icon">
+                      <figure class="avatar" data-initial="TS"></figure>
+                    </div>
+                    <div class="tile-content">
+                      <p class="tile-title">Tony Stark</p>
+                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
+                    </div>
+                  </div>
+                  <div class="tile">
+                    <div class="tile-icon">
+                      <figure class="avatar">
+                        <img src="img/avatar-4.png" alt="Avatar" />
+                      </figure>
+                    </div>
+                    <div class="tile-content">
+                      <p class="tile-title">Steve Rogers</p>
+                      <p class="tile-subtitle">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
+                    </div>
+                  </div>
+                  <div class="tile">
+                    <div class="tile-icon">
+                      <figure class="avatar">
+                        <img src="img/avatar-3.png" alt="Avatar" />
+                      </figure>
+                    </div>
+                    <div class="tile-content">
+                      <p class="tile-title">Natasha Romanoff</p>
+                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
+                    </div>
+                  </div>
+                </div>
+                <div class="panel-footer">
+                  <div class="input-group">
+                    <input type="text" class="form-input" placeholder="Hello" />
+                    <button class="btn btn-primary input-group-btn">Send</button>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <div class="docs-note">
+            <p>Add a container element with the <code>panel</code> class. And add child elements with the <code>panel-header</code>, <code>panel-nav</code>, <code>panel-body</code> and/or <code>panel-footer</code> class. The <code>panel-body</code> can be auto expanded and vertically scrollable. </p>
+          </div>
+  
+<!-- panels example -->
+<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel&quot;</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-header&quot;</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-title&quot;</span>&gt;Comments&lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-nav&quot;</span>&gt;
+    <span class="com">&lt;!-- navigation components: tabs, breadcrumbs or pagination --&gt;</span>
+  &lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-body&quot;</span>&gt;
+    <span class="com">&lt;!-- contents --&gt;</span>
+  &lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-footer&quot;</span>&gt;
+    <span class="com">&lt;!-- buttons or inputs --&gt;</span>
+  &lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+  
+        </div>
+
         <div id="navs" class="container">
           <h3 class="s-title"><a href="#navs" class="anchor" aria-hidden="true">#</a>Navs</h3>
           <div class="columns">
@@ -1908,7 +2133,7 @@
                 <li class="tab-item active">
                   <a href="#tabs">
                     Music
-                    <button class="btn btn-clear"></button>
+                    <span class="btn btn-clear"></span>
                   </a>
                 </li>
                 <li class="tab-item">
@@ -1972,7 +2197,7 @@
                 </div>
                 <div class="tile-content">
                   <p class="tile-title">The Avengers</p>
-                  <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
+                  <p class="tile-subtitle text-gray">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
                 </div>
                 <div class="tile-action">
                   <button class="btn btn-primary">Join</button>
@@ -1989,7 +2214,7 @@
                 </div>
                 <div class="tile-content">
                   <p class="tile-title">The S.H.I.E.L.D.</p>
-                  <p class="tile-subtitle">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
+                  <p class="tile-subtitle text-gray">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
                   <p>
                     <button class="btn btn-primary btn-sm">Join</button>
                     <button class="btn btn-sm">Contact</button>
@@ -2012,7 +2237,7 @@
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-content&quot;</span>&gt;
     &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;tile-title&quot;</span>&gt;The Avengers&lt;<span class="tag">/p</span>&gt;
-    &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;tile-subtitle&quot;</span>&gt;Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...&lt;<span class="tag">/p</span>&gt;
+    &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;tile-subtitle text-gray&quot;</span>&gt;Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...&lt;<span class="tag">/p</span>&gt;
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-action&quot;</span>&gt;
     &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-primary&quot;</span>&gt;Join&lt;<span class="tag">/button</span>&gt;
@@ -2020,7 +2245,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Compact tiles</h4>
+          <h4 id="tiles-compact" class="s-subtitle">Compact tiles</h4>
           <div class="docs-note">
             <p>There is compact version of Tiles component, which is often used as contact and file info blocks.</p>
             <p>Add the <code>tile-centered</code> class to the container <code>tile</code>. The <code>tile-icon</code>, <code>tile-content</code> and <code>tile-action</code> will be vertically centered.</p>
@@ -2035,7 +2260,7 @@
                 </div>
                 <div class="tile-content">
                   <div class="tile-title">spectre-docs.pdf</div>
-                  <div class="tile-subtitle">14MB · Public · 1 Jan, 2017</div>
+                  <div class="tile-subtitle text-gray">14MB · Public · 1 Jan, 2017</div>
                 </div>
                 <div class="tile-action">
                   <button class="btn btn-link btn-action"><i class="icon icon-more-vert"></i></button>
@@ -2053,7 +2278,7 @@
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-content&quot;</span>&gt;
     &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-title&quot;</span>&gt;spectre-docs.pdf&lt;<span class="tag">/div</span>&gt;
-    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-subtitle&quot;</span>&gt;14MB · Public · 1 Jan, 2017&lt;<span class="tag">/div</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-subtitle text-gray&quot;</span>&gt;14MB · Public · 1 Jan, 2017&lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;tile-action&quot;</span>&gt;
     &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-link&quot;</span>&gt;
diff --git a/docs/css/docs.css b/docs/css/docs.css
index 02a6090..ee90ee6 100644
--- a/docs/css/docs.css
+++ b/docs/css/docs.css
@@ -1,7 +1,7 @@
 /*! Spectre.css Docs | MIT License | github.com/picturepan2/spectre */
 /* Spectre version */
 .version::after {
-  content: "0.2.15";
+  content: "0.3.1";
 }
 /* Spectre New Docs */
 .s-container > .columns {
@@ -120,7 +120,7 @@
 }
 .s-content .docs-block {
   border-radius: .1rem;
-  padding: .5rem;
+  padding: .4rem;
 }
 .s-content .docs-block.bg-gray {
   background: #f0f1f4;
@@ -256,23 +256,15 @@
   color: #727e96;
 }
 /* Spectre Homepage style */
-.section-header {
-  -webkit-backdrop-filter: blur(.5rem);
-  backdrop-filter: blur(.5rem);
-  background: rgba(248, 249, 250, .9);
+.section-hero {
   padding: 1rem .5rem;
-  position: fixed;
-  top: 0;
-  width: 100%;
-  z-index: 200;
+  position: relative;
 }
-.section-header .s-brand {
-  padding: 0;
-  position: static;
+.section-hero .s-brand {
+  position: absolute;
 }
-.section-hero {
-  padding: 1.5rem .5rem;
-  position: relative;
+.section-hero .s-brand h2 {
+  color: #5764c6;
 }
 .section-hero .column {
   padding: .4rem;
@@ -302,7 +294,7 @@
 }
 .grid-hero {
   margin-bottom: 2rem;
-  margin-top: 5rem;
+  margin-top: 6rem;
 }
 .grid-hero h1 {
   color: #454d5d;
@@ -413,12 +405,24 @@
   }
   .s-content .s-title,
   .s-content .s-subtitle {
+    padding-top: 5rem;
     position: static;
   }
   .s-content .s-title::before,
   .s-content .s-subtitle::before {
     display: none;
   }
+  .section-hero .s-brand {
+    height: 5rem;
+    padding: 1.5rem .5rem;
+  }
+  .section-hero .s-brand .s-logo {
+    height: auto;
+  }
+  .section-hero .s-brand img {
+    height: 3.2rem;
+    width: 3.2rem;
+  }
 }
 @media screen and (max-width: 600px) {
   .grid-hero h2 {
@@ -431,7 +435,7 @@
     padding: 3.5rem .5rem 0 .5rem;
   }
   .s-content .docs-block {
-    padding: .5rem .1rem;
+    padding: .4rem .1rem;
   }
   .s-content .anchor {
     display: none;
diff --git a/docs/dist/spectre.css b/docs/dist/spectre.css
index bca18e2..030808a 100644
--- a/docs/dist/spectre.css
+++ b/docs/dist/spectre.css
@@ -478,8 +478,8 @@ kbd {
   border-radius: .1rem;
   color: #fff;
   display: inline-block;
-  line-height: 1;
-  padding: .2em .3em;
+  line-height: 1.2;
+  padding: .1em .3em;
   vertical-align: baseline;
 }
 mark {
@@ -487,8 +487,8 @@ mark {
   border-radius: .1rem;
   color: #454d5d;
   display: inline-block;
-  line-height: 1;
-  padding: .2em .3em;
+  line-height: 1.2;
+  padding: .1em .3em;
   vertical-align: baseline;
 }
 blockquote {
@@ -692,12 +692,12 @@ dl dd {
 .btn.btn-sm {
   font-size: .6rem;
   height: 1.2rem;
-  padding: .05rem .4rem;
+  padding: .05rem .3rem;
 }
 .btn.btn-lg {
   font-size: .8rem;
   height: 2rem;
-  padding: .45rem .4rem;
+  padding: .45rem .6rem;
 }
 .btn.btn-block {
   display: block;
@@ -851,7 +851,7 @@ textarea.form-input {
   height: auto;
 }
 .form-input[type="file"] {
-  height: auto;
+  padding: .125rem;
 }
 .form-input-hint {
   color: #acb3c2;
@@ -874,18 +874,23 @@ textarea.form-input {
   border-radius: .1rem;
   color: inherit;
   font-size: .7rem;
+  height: 1.6rem;
   line-height: 1rem;
   outline: none;
   padding: .25rem .4rem;
   vertical-align: middle;
   width: 100%;
 }
+.form-select[size],
+.form-select[multiple] {
+  height: auto;
+}
+.form-select[size] option,
 .form-select[multiple] option {
   padding: .1rem .2rem;
 }
-.form-select:not([multiple]) {
+.form-select:not([multiple]):not([size]) {
   background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23667189' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right .35rem center / .4rem .5rem;
-  height: 1.6rem;
   padding-right: 1.1rem;
 }
 .form-select:focus {
@@ -1223,14 +1228,18 @@ input.disabled + .form-icon {
   border-radius: .1rem;
   color: #50596c;
   display: inline-block;
-  line-height: 1;
-  padding: .2em .3em;
+  line-height: 1.2;
+  padding: .1em .3em;
   vertical-align: baseline;
 }
 .label.label-primary {
   background: #5764c6;
   color: #fff;
 }
+.label.label-secondary {
+  background: #eff1fa;
+  color: #5764c6;
+}
 .label.label-success {
   background: #32b643;
   color: #fff;
@@ -1248,8 +1257,8 @@ code {
   border-radius: .1rem;
   color: #e06870;
   display: inline-block;
-  line-height: 1;
-  padding: .2em .3em;
+  line-height: 1.2;
+  padding: .1em .3em;
   vertical-align: baseline;
 }
 .code {
@@ -1301,6 +1310,7 @@ code {
 .video-responsive iframe,
 .video-responsive object,
 .video-responsive embed {
+  border: 0;
   bottom: 0;
   height: 100%;
   left: 0;
@@ -1349,6 +1359,13 @@ code {
 .container.grid-xs {
   max-width: 496px;
 }
+.show-xs,
+.show-sm,
+.show-md,
+.show-lg,
+.show-xl {
+  display: none !important;
+}
 .columns {
   display: flex;
   display: -ms-flexbox;
@@ -1363,7 +1380,7 @@ code {
   margin-left: 0;
   margin-right: 0;
 }
-.columns.col-gapless .column {
+.columns.col-gapless > .column {
   padding-left: 0;
   padding-right: 0;
 }
@@ -1433,6 +1450,23 @@ code {
 .col-1 {
   width: 8.33333333%;
 }
+.col-auto {
+  -webkit-flex: 0 0 auto;
+  -ms-flex: 0 0 auto;
+  flex: 0 0 auto;
+  max-width: none;
+  width: auto;
+}
+.col-mx-auto {
+  margin-left: auto;
+  margin-right: auto;
+}
+.col-ml-auto {
+  margin-left: auto;
+}
+.col-mr-auto {
+  margin-right: auto;
+}
 @media screen and (max-width: 1280px) {
   .col-xl-12,
   .col-xl-11,
@@ -1486,6 +1520,12 @@ code {
   .col-xl-1 {
     width: 8.33333333%;
   }
+  .hide-xl {
+    display: none !important;
+  }
+  .show-xl {
+    display: block !important;
+  }
 }
 @media screen and (max-width: 960px) {
   .col-lg-12,
@@ -1540,6 +1580,12 @@ code {
   .col-lg-1 {
     width: 8.33333333%;
   }
+  .hide-lg {
+    display: none !important;
+  }
+  .show-lg {
+    display: block !important;
+  }
 }
 @media screen and (max-width: 840px) {
   .col-md-12,
@@ -1594,6 +1640,12 @@ code {
   .col-md-1 {
     width: 8.33333333%;
   }
+  .hide-md {
+    display: none !important;
+  }
+  .show-md {
+    display: block !important;
+  }
 }
 @media screen and (max-width: 600px) {
   .col-sm-12,
@@ -1648,6 +1700,12 @@ code {
   .col-sm-1 {
     width: 8.33333333%;
   }
+  .hide-sm {
+    display: none !important;
+  }
+  .show-sm {
+    display: block !important;
+  }
 }
 @media screen and (max-width: 480px) {
   .col-xs-12,
@@ -1702,15 +1760,6 @@ code {
   .col-xs-1 {
     width: 8.33333333%;
   }
-}
-.show-xs,
-.show-sm,
-.show-md,
-.show-lg,
-.show-xl {
-  display: none !important;
-}
-@media screen and (max-width: 480px) {
   .hide-xs {
     display: none !important;
   }
@@ -1718,38 +1767,6 @@ code {
     display: block !important;
   }
 }
-@media screen and (max-width: 600px) {
-  .hide-sm {
-    display: none !important;
-  }
-  .show-sm {
-    display: block !important;
-  }
-}
-@media screen and (max-width: 840px) {
-  .hide-md {
-    display: none !important;
-  }
-  .show-md {
-    display: block !important;
-  }
-}
-@media screen and (max-width: 960px) {
-  .hide-lg {
-    display: none !important;
-  }
-  .show-lg {
-    display: block !important;
-  }
-}
-@media screen and (max-width: 1280px) {
-  .hide-xl {
-    display: none !important;
-  }
-  .show-xl {
-    display: block !important;
-  }
-}
 .navbar {
   -webkit-align-items: stretch;
   align-items: stretch;
@@ -1825,9 +1842,6 @@ code {
   overflow-y: auto;
   padding: 0 .8rem;
 }
-.panel .panel-subtitle {
-  color: #acb3c2;
-}
 .empty {
   background: #f8f9fa;
   border-radius: .1rem;
@@ -1842,9 +1856,6 @@ code {
 .empty .empty-subtitle {
   margin: .4rem auto;
 }
-.empty .empty-subtitle {
-  color: #acb3c2;
-}
 .empty .empty-action {
   margin-top: .8rem;
 }
@@ -2032,6 +2043,28 @@ code {
   padding: 0;
   width: .4rem;
 }
+.breadcrumb {
+  list-style: none;
+  margin: .2rem 0;
+  padding: .2rem 0;
+}
+.breadcrumb .breadcrumb-item {
+  color: #727e96;
+  display: inline-block;
+  margin: 0;
+  padding: .2rem 0;
+}
+.breadcrumb .breadcrumb-item:not(:last-child) {
+  margin-right: .2rem;
+}
+.breadcrumb .breadcrumb-item:not(:last-child) a {
+  color: #727e96;
+}
+.breadcrumb .breadcrumb-item:not(:first-child)::before {
+  color: #e7e9ed;
+  content: "/";
+  padding-right: .2rem;
+}
 .bar {
   background: #f0f1f4;
   border-radius: .1rem;
@@ -2107,7 +2140,12 @@ code {
   background: #fff;
   border: .05rem solid #e7e9ed;
   border-radius: .1rem;
-  display: block;
+  display: flex;
+  display: -ms-flexbox;
+  display: -webkit-flex;
+  -webkit-flex-direction: column;
+  -ms-flex-direction: column;
+  flex-direction: column;
 }
 .card .card-header,
 .card .card-body,
@@ -2134,9 +2172,6 @@ code {
   border-bottom-left-radius: .1rem;
   border-bottom-right-radius: .1rem;
 }
-.card .card-subtitle {
-  color: #acb3c2;
-}
 .chip {
   -webkit-align-items: center;
   align-items: center;
@@ -2313,91 +2348,43 @@ code {
   padding: .8rem;
   text-align: right;
 }
-.breadcrumb,
-.tab,
-.pagination,
 .nav {
-  list-style: none;
-  margin: .2rem 0;
-}
-.breadcrumb {
-  padding: .2rem 0;
-}
-.breadcrumb .breadcrumb-item {
-  color: #727e96;
-  display: inline-block;
-  margin: 0;
-  padding: .2rem 0;
-}
-.breadcrumb .breadcrumb-item:not(:last-child) {
-  margin-right: .2rem;
-}
-.breadcrumb .breadcrumb-item:not(:last-child) a {
-  color: #727e96;
-}
-.breadcrumb .breadcrumb-item:not(:first-child)::before {
-  color: #e7e9ed;
-  content: "/";
-  padding-right: .2rem;
-}
-.tab {
-  -webkit-align-items: center;
-  align-items: center;
   display: flex;
   display: -ms-flexbox;
   display: -webkit-flex;
-  -ms-flex-align: center;
-  -webkit-flex-wrap: wrap;
-  -ms-flex-wrap: wrap;
-  flex-wrap: wrap;
-}
-.tab .tab-item {
-  margin-top: 0;
-}
-.tab .tab-item.tab-action {
-  -webkit-flex: 1 0 auto;
-  -ms-flex: 1 0 auto;
-  flex: 1 0 auto;
-  text-align: right;
+  -webkit-flex-direction: column;
+  -ms-flex-direction: column;
+  flex-direction: column;
+  list-style: none;
+  margin: .2rem 0;
 }
-.tab .tab-item a {
-  border-bottom: .1rem solid transparent;
-  color: inherit;
-  display: block;
-  margin-top: 0;
-  padding: 6px 12px 4px 12px;
+.nav .nav-item a {
+  color: #727e96;
+  padding: .2rem .4rem;
   text-decoration: none;
 }
-.tab .tab-item a:focus,
-.tab .tab-item a:hover {
-  color: #5764c6;
-}
-.tab .tab-item.active a,
-.tab .tab-item a.active {
-  border-bottom-color: #5764c6;
+.nav .nav-item a:focus,
+.nav .nav-item a:hover {
   color: #5764c6;
 }
-.tab.tab-block .tab-item {
-  -webkit-flex: 1 0 0;
-  -ms-flex: 1 0 0;
-  flex: 1 0 0;
-  text-align: center;
+.nav .nav-item.active > a {
+  color: #5b657a;
+  font-weight: bold;
 }
-.tab.tab-block .tab-item .badge[data-badge]::after {
-  position: absolute;
-  right: -4px;
-  top: -4px;
-  -webkit-transform: translate(0, 0);
-  -ms-transform: translate(0, 0);
-  transform: translate(0, 0);
+.nav .nav-item.active > a:focus,
+.nav .nav-item.active > a:hover {
+  color: #5764c6;
 }
-.tab:not(.tab-block) .badge {
-  padding-right: 2px;
+.nav .nav {
+  margin-bottom: .4rem;
+  margin-left: .8rem;
 }
 .pagination {
   display: flex;
   display: -ms-flexbox;
   display: -webkit-flex;
+  list-style: none;
+  margin: .2rem 0;
   padding: .2rem 0;
 }
 .pagination .page-item {
@@ -2443,35 +2430,6 @@ code {
   margin: 0;
   opacity: .5;
 }
-.nav {
-  display: flex;
-  display: -ms-flexbox;
-  display: -webkit-flex;
-  -webkit-flex-direction: column;
-  -ms-flex-direction: column;
-  flex-direction: column;
-}
-.nav .nav-item a {
-  color: #727e96;
-  padding: .2rem .4rem;
-  text-decoration: none;
-}
-.nav .nav-item a:focus,
-.nav .nav-item a:hover {
-  color: #5764c6;
-}
-.nav .nav-item.active > a {
-  color: #5b657a;
-  font-weight: bold;
-}
-.nav .nav-item.active > a:focus,
-.nav .nav-item.active > a:hover {
-  color: #5764c6;
-}
-.nav .nav {
-  margin-bottom: .4rem;
-  margin-left: .8rem;
-}
 .popover {
   display: inline-block;
   position: relative;
@@ -2599,6 +2557,66 @@ code {
 .step .step-item.active ~ .step-item a::before {
   background: #e7e9ed;
 }
+.tab {
+  -webkit-align-items: center;
+  align-items: center;
+  border-bottom: .05rem solid #e7e9ed;
+  display: flex;
+  display: -ms-flexbox;
+  display: -webkit-flex;
+  -ms-flex-align: center;
+  -webkit-flex-wrap: wrap;
+  -ms-flex-wrap: wrap;
+  flex-wrap: wrap;
+  list-style: none;
+  margin: .2rem 0 .15rem 0;
+}
+.tab .tab-item {
+  margin-top: 0;
+}
+.tab .tab-item.tab-action {
+  -webkit-flex: 1 0 auto;
+  -ms-flex: 1 0 auto;
+  flex: 1 0 auto;
+  text-align: right;
+}
+.tab .tab-item a {
+  border-bottom: .1rem solid transparent;
+  color: inherit;
+  display: block;
+  margin: 0 .4rem 0 0;
+  padding: .4rem .2rem .3rem .2rem;
+  text-decoration: none;
+}
+.tab .tab-item a:focus,
+.tab .tab-item a:hover {
+  color: #5764c6;
+}
+.tab .tab-item.active a,
+.tab .tab-item a.active {
+  border-bottom-color: #5764c6;
+  color: #5764c6;
+}
+.tab.tab-block .tab-item {
+  -webkit-flex: 1 0 0;
+  -ms-flex: 1 0 0;
+  flex: 1 0 0;
+  text-align: center;
+}
+.tab.tab-block .tab-item a {
+  margin: 0;
+}
+.tab.tab-block .tab-item .badge[data-badge]::after {
+  position: absolute;
+  right: -4px;
+  top: -4px;
+  -webkit-transform: translate(0, 0);
+  -ms-transform: translate(0, 0);
+  transform: translate(0, 0);
+}
+.tab:not(.tab-block) .badge {
+  padding-right: 2px;
+}
 .tile {
   -webkit-align-content: space-between;
   align-content: space-between;
@@ -2627,11 +2645,8 @@ code {
 .tile .tile-content:not(:last-child) {
   padding-right: .4rem;
 }
-.tile .tile-title {
-  line-height: 1rem;
-}
+.tile .tile-title,
 .tile .tile-subtitle {
-  color: #acb3c2;
   line-height: 1rem;
 }
 .tile.tile-centered {
@@ -2879,32 +2894,33 @@ a.text-error:hover {
 .bg-error {
   background: #e85600;
 }
-.block {
+.d-block {
   display: block;
 }
-.inline {
+.d-inline {
   display: inline;
 }
-.inline-block {
+.d-inline-block {
   display: inline-block;
 }
-.flex {
+.d-flex {
   display: flex;
   display: -ms-flexbox;
   display: -webkit-flex;
 }
-.inline-flex {
+.d-inline-flex {
   display: inline-flex;
   display: -ms-inline-flexbox;
   display: -webkit-inline-flex;
 }
+.d-none,
 .hide {
   display: none !important;
 }
-.visible {
+.d-visible {
   visibility: visible;
 }
-.invisible {
+.d-invisible {
   visibility: hidden;
 }
 .text-hide {
@@ -3038,51 +3054,97 @@ a.text-error:hover {
   margin-left: auto;
   margin-right: auto;
 }
+.m-0 {
+  margin: 0;
+}
+.mb-0 {
+  margin-bottom: 0;
+}
+.ml-0 {
+  margin-left: 0;
+}
+.mr-0 {
+  margin-right: 0;
+}
+.mt-0 {
+  margin-top: 0;
+}
+.mx-0 {
+  margin-left: 0;
+  margin-right: 0;
+}
+.my-0 {
+  margin-bottom: 0;
+  margin-top: 0;
+}
 .m-1 {
-  padding: .2rem;
+  margin: .2rem;
 }
 .mb-1 {
-  padding-bottom: .2rem;
+  margin-bottom: .2rem;
 }
 .ml-1 {
-  padding-left: .2rem;
+  margin-left: .2rem;
 }
 .mr-1 {
-  padding-right: .2rem;
+  margin-right: .2rem;
 }
 .mt-1 {
-  padding-top: .2rem;
+  margin-top: .2rem;
 }
 .mx-1 {
-  padding-left: .2rem;
-  padding-right: .2rem;
+  margin-left: .2rem;
+  margin-right: .2rem;
 }
 .my-1 {
-  padding-bottom: .2rem;
-  padding-top: .2rem;
+  margin-bottom: .2rem;
+  margin-top: .2rem;
 }
 .m-2 {
-  padding: .4rem;
+  margin: .4rem;
 }
 .mb-2 {
-  padding-bottom: .4rem;
+  margin-bottom: .4rem;
 }
 .ml-2 {
-  padding-left: .4rem;
+  margin-left: .4rem;
 }
 .mr-2 {
-  padding-right: .4rem;
+  margin-right: .4rem;
 }
 .mt-2 {
-  padding-top: .4rem;
+  margin-top: .4rem;
 }
 .mx-2 {
-  padding-left: .4rem;
-  padding-right: .4rem;
+  margin-left: .4rem;
+  margin-right: .4rem;
 }
 .my-2 {
-  padding-bottom: .4rem;
-  padding-top: .4rem;
+  margin-bottom: .4rem;
+  margin-top: .4rem;
+}
+.p-0 {
+  padding: 0;
+}
+.pb-0 {
+  padding-bottom: 0;
+}
+.pl-0 {
+  padding-left: 0;
+}
+.pr-0 {
+  padding-right: 0;
+}
+.pt-0 {
+  padding-top: 0;
+}
+.px-0 {
+  padding-left: 0;
+  padding-right: 0;
+}
+.py-0 {
+  padding-bottom: 0;
+  padding-top: 0;
 }
 .p-1 {
   padding: .2rem;
diff --git a/docs/dist/spectre.min.css b/docs/dist/spectre.min.css
index 4475d6b..59de04a 100644
--- a/docs/dist/spectre.min.css
+++ b/docs/dist/spectre.min.css
@@ -1 +1 @@
-/*! Spectre.css | MIT License | github.com/picturepan2/spectre */html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}article,aside,footer,header,nav,section{display:block}h1{font-size:2em;margin:.67em 0}figcaption,figure,main{display:block}hr{box-sizing:content-box;height:0;overflow:visible}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}b,strong{font-weight:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}dfn{font-style:italic}small{font-size:80%;font-weight:400}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}audio,video{display:inline-block}audio:not([controls]){display:none;height:0}img{border-style:none}svg:not(:root){overflow:hidden}button,input,optgroup,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;margin:0}button,input{overflow:visible}button,select{text-transform:none}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}fieldset{border:0;margin:0;padding:0}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{display:inline-block;vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details,menu{display:block}summary{display:list-item}canvas{display:inline-block}template{display:none}[hidden]{display:none}*,::after,::before{box-sizing:inherit}html{box-sizing:border-box;font-size:20px;line-height:1.42857143;-webkit-tap-highlight-color:transparent}body{background:#fff;color:#454d5d;font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe 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.3em;vertical-align:baseline}blockquote{border-left:.1rem solid #e7e9ed;margin-left:0;padding:.4rem .8rem}blockquote p:last-child{margin-bottom:0}blockquote cite{color:#acb3c2}ol,ul{margin:.8rem 0 .8rem .8rem;padding:0}ol ol,ol ul,ul ol,ul ul{margin:.8rem 0 .8rem .8rem}ol li,ul li{margin-top:.4rem}ul{list-style:disc inside}ul ul{list-style-type:circle}ol{list-style:decimal inside}ol ol{list-style-type:lower-alpha}dl dt{font-weight:700}dl dd{margin:.4rem 0 .8rem 0}:lang(zh){font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",sans-serif}:lang(ja){font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Sans","Hiragino Kaku Gothic Pro","Yu Gothic",YuGothic,Meiryo,"Helvetica Neue",sans-serif}:lang(ko){font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Malgun Gothic","Helvetica Neue",sans-serif}.cjk ins,.cjk u,:lang(ja) ins,:lang(ja) u,:lang(zh) ins,:lang(zh) u{border-bottom:.05rem solid;text-decoration:none}.cjk del+del,.cjk del+s,.cjk ins+ins,.cjk ins+u,.cjk s+del,.cjk s+s,.cjk u+ins,.cjk u+u,:lang(ja) del+del,:lang(ja) del+s,:lang(ja) ins+ins,:lang(ja) ins+u,:lang(ja) s+del,:lang(ja) s+s,:lang(ja) u+ins,:lang(ja) u+u,:lang(zh) del+del,:lang(zh) del+s,:lang(zh) ins+ins,:lang(zh) ins+u,:lang(zh) s+del,:lang(zh) s+s,:lang(zh) u+ins,:lang(zh) u+u{margin-left:.125em}.table{border-collapse:collapse;border-spacing:0;text-align:left;width:100%}.table.table-striped tbody tr:nth-of-type(odd){background:#f8f9fa}.table.table-hover tbody tr:hover{background:#f0f1f4}.table tbody tr.active,.table.table-striped tbody tr.active{background:#f0f1f4}.table td,.table th{border-bottom:.05rem solid #e7e9ed;padding:.6rem .4rem}.table th{border-bottom-width:.1rem}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#fff;border:.05rem solid #5764c6;border-radius:.1rem;color:#5764c6;cursor:pointer;display:inline-block;font-size:.7rem;height:1.6rem;line-height:1rem;outline:0;padding:.25rem .4rem;text-align:center;text-decoration:none;transition:all .2s ease;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;vertical-align:middle;white-space:nowrap}.btn:focus{background:#eff1fa;box-shadow:0 0 0 .1rem 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.form-input{padding-left:1.2rem}.has-icon-right .form-icon{right:.05rem}.has-icon-right .form-input{padding-right:1.2rem}.form-checkbox,.form-radio,.form-switch{display:inline-block;line-height:1rem;padding:.1rem 1.1rem;position:relative}.form-checkbox input,.form-radio input,.form-switch input{clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;position:absolute;width:1px}.form-checkbox input:focus+.form-icon,.form-radio input:focus+.form-icon,.form-switch input:focus+.form-icon{border-color:#5764c6;box-shadow:0 0 0 .1rem rgba(87,100,198,.2)}.form-checkbox input:checked+.form-icon,.form-radio input:checked+.form-icon,.form-switch input:checked+.form-icon{background:#5764c6;border-color:#5764c6}.form-checkbox .form-icon,.form-radio .form-icon,.form-switch .form-icon{border:.05rem solid #caced7;cursor:pointer;display:inline-block;position:absolute;transition:all .2s ease}.form-checkbox .form-icon,.form-radio .form-icon{background:#fff;height:.7rem;left:0;top:.25rem;width:.7rem}.form-checkbox input:active+.form-icon,.form-radio input:active+.form-icon{background:#f0f1f4}.form-checkbox .form-icon{border-radius:.1rem}.form-checkbox input:checked+.form-icon::before{background-clip:padding-box;border:.1rem solid #fff;border-left-width:0;border-top-width:0;content:"";height:10px;left:50%;margin-left:-3px;margin-top:-6px;position:absolute;top:50%;-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg);width:6px}.form-checkbox input:indeterminate+.form-icon{background:#5764c6;border-color:#5764c6}.form-checkbox input:indeterminate+.form-icon::before{background:#fff;content:"";height:2px;left:50%;margin-left:-5px;margin-top:-1px;position:absolute;top:50%;width:10px}.form-radio .form-icon{border-radius:.35rem}.form-radio 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+\ No newline at end of file
diff --git a/docs/elements.html b/docs/elements.html
index 3994590..ced6625 100644
--- a/docs/elements.html
+++ b/docs/elements.html
@@ -104,12 +104,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -145,6 +139,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -157,6 +154,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -256,7 +256,7 @@
           <div class="docs-note">
             <p>Typography sets default styles for headings, paragraphs, semantic text, blockquote and lists elements.</p>
           </div>
-          <h4 class="s-subtitle">Headings</h4>
+          <h4 id="typography-headings" class="s-subtitle">Headings</h4>
           <div class="columns">
             <div class="column col-12">
               <h1>H1 Heading <small class="label">40px</small></h1>
@@ -284,7 +284,7 @@
 &lt;<span class="tag">span</span> <span class="atn">class</span>=<span class="atv">&quot;h1&quot;</span>&gt;H1 Heading&lt;<span class="tag">/span</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Paragraphs</h4>
+          <h4 id="typography-paragraphs" class="s-subtitle">Paragraphs</h4>
           <div class="docs-note">
             <p>Lorem ipsum dolor sit amet, consectetur <a href="#typography">adipiscing elit. Praesent risus leo, dictum in vehicula sit amet</a>, feugiat tempus tellus. Duis quis sodales risus. Etiam euismod ornare consequat.</p>
             <p>Climb leg rub face on everything give attitude nap all day for under the bed. Chase mice attack feet but rub face on everything hopped up on goofballs.</p>
@@ -295,7 +295,7 @@
 &lt;<span class="tag">p</span>&gt;...&lt;<span class="tag">/p</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Semantic text elements</h4>
+          <h4 id="typography-semantic-text" class="s-subtitle">Semantic text elements</h4>
           <div class="columns">
             <div class="column col-4 col-xs-12">
               <abbr title="Internationalization">I18N</abbr>
@@ -374,7 +374,7 @@
             </div>
           </div>
 
-          <h4 class="s-subtitle">Optimized for east asian fonts</h4>
+          <h4 id="typography-east-asian" class="s-subtitle">Optimized for east asian fonts</h4>
           <h5><small lang="zh-Hans">你好</small>, <small lang="ja">こんにちは</small>, <small lang="ko">안녕하세요</small></h5>
           <div class="docs-note">
             <h6>Chinese (Simplified)</h6>
@@ -409,7 +409,7 @@
 &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;cjk&quot;</span>&gt;&lt;<span class="tag">del</span>&gt;祇園&lt;<span class="tag">/del</span>&gt;&lt;<span class="tag">del</span>&gt;精舎&lt;<span class="tag">/del</span>&gt;の鐘の声、諸行無常の響きあり。……&lt;<span class="tag">/p</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Blockquote</h4>
+          <h4 id="typography-blockquote" class="s-subtitle">Blockquote</h4>
           <blockquote>
             <p>The advance of technology is based on making it fit in so that you don't really even notice it, so it's part of everyday life. </p>
             <cite>- Bill Gates</cite>
@@ -422,7 +422,7 @@
 &lt;<span class="tag">/blockquote</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Lists</h4>
+          <h4 id="typography-lists" class="s-subtitle">Lists</h4>
           <div class="columns">
             <div class="column col-4 col-xs-12">
               <ul class="list">
@@ -555,11 +555,7 @@
           <div class="columns">
             <div class="column col-xs-12">
               <button class="btn loading-inline">default button</button>
-            </div>
-            <div class="column col-xs-12">
               <button class="btn btn-primary">primary button</button>
-            </div>
-            <div class="column col-xs-12">
               <button class="btn btn-link">link button</button>
             </div>
           </div>
@@ -568,60 +564,25 @@
             <p>Add the <code>btn</code> class to &lt;a&gt;, &lt;input&gt; or &lt;button&gt; elements for a default button. There are classes <code>btn-primary</code> and <code>btn-link</code> for predefined primary and link buttons. </p>
           </div>
 
-          <div class="docs-note">
-            <p>Add the <code>disabled</code> class or the <code>disabled</code> attribute for a disabled button.</p>
-          </div>
-
-          <div class="columns">
-            <div class="column col-xs-12">
-              <button class="btn disabled" tabindex="-1">default disabled</button>
-            </div>
-            <div class="column col-xs-12">
-              <button class="btn btn-primary" disabled tabindex="-1">primary disabled</button>
-            </div>
-            <div class="column col-xs-12">
-              <button class="btn btn-link" disabled tabindex="-1">link disabled</button>
-            </div>
-          </div>
-
-          <div class="docs-note">
-            <p>A button with the <code>loading</code> class can show loading indicator.</p>
-          </div>
-
-          <div class="columns">
-            <div class="column col-xs-12">
-              <button class="btn loading">default button</button>
-            </div>
-            <div class="column col-xs-12">
-              <button class="btn btn-primary loading">primary button</button>
-            </div>
-            <div class="column col-xs-12">
-              <button class="btn btn-link loading">link button</button>
-            </div>
-          </div>
-
 <!-- buttons example -->
 <pre class="code" data-lang="HTML"><code>&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn&quot;</span>&gt;default button&lt;<span class="tag">/button</span>&gt;
 &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-primary&quot;</span>&gt;primary button&lt;<span class="tag">/button</span>&gt;
 &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-link&quot;</span>&gt;link button&lt;<span class="tag">/button</span>&gt;
-
-<span class="com">&lt;!-- buttons with disabled state --&gt;</span>
-&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn disabled&quot;</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
-&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn&quot;</span> <span class="atn">disabled</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
-
-<span class="com">&lt;!-- a button with loading state --&gt;</span>
-&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn loading&quot;</span>&gt;button&lt;<span class="tag">/button</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Button sizes</h4>
+          <h4 id="buttons-sizes" class="s-subtitle">Button sizes</h4>
           <div class="columns">
-            <div class="column">
+            <div class="column col-12">
               <button class="btn btn-primary btn-lg">large <i class="icon icon-arrow-down"></i></button>
-              <button class="btn btn-primary btn-lg">large</button>
+              <button class="btn btn-primary btn-lg">large button</button>
+            </div>
+            <div class="column col-12">
               <button class="btn btn-primary">normal <i class="icon icon-arrow-down"></i></button>
-              <button class="btn btn-primary">normal</button>
+              <button class="btn btn-primary">normal button</button>
+            </div>
+            <div class="column col-12">
               <button class="btn btn-primary btn-sm">small <i class="icon icon-arrow-down"></i></button>
-              <button class="btn btn-primary btn-sm">small</button>
+              <button class="btn btn-primary btn-sm">small button</button>
             </div>
           </div>
           <div class="docs-note">
@@ -661,16 +622,73 @@
 &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-action circle&quot;</span>&gt;&lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;icon icon-arrow-left&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt;&lt;<span class="tag">/button</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Button groups</h4>
+          <h4 id="buttons-states" class="s-subtitle">Button states</h4>
+
+          <div class="docs-note">
+            <p>Add the <code>active</code> class for active button state style.</p>
+          </div>
+
+          <div class="columns">
+            <div class="column col-xs-12">
+              <button class="btn active">default active</button>
+              <button class="btn btn-primary active">primary active</button>
+              <button class="btn btn-link active">link active</button>
+            </div>
+          </div>
+
+<!-- buttons example -->
+<pre class="code" data-lang="HTML"><code>
+<span class="com">&lt;!-- buttons with disabled state --&gt;</span>
+&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn disabled&quot;</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
+&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn&quot;</span> <span class="atn">disabled</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
+</code></pre>
+          
+          <div class="docs-note">
+            <p>Add the <code>disabled</code> class or the <code>disabled</code> attribute for disabled button state style.</p>
+          </div>
+
           <div class="columns">
             <div class="column col-xs-12">
+              <button class="btn disabled" tabindex="-1">default disabled</button>
+              <button class="btn btn-primary" disabled tabindex="-1">primary disabled</button>
+              <button class="btn btn-link" disabled tabindex="-1">link disabled</button>
+            </div>
+          </div>
+
+<!-- buttons example -->
+<pre class="code" data-lang="HTML"><code>
+<span class="com">&lt;!-- buttons with disabled state --&gt;</span>
+&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn disabled&quot;</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
+&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn&quot;</span> <span class="atn">disabled</span> <span class="atn">tabindex</span>=<span class="atv">&quot;-1&quot;</span>&gt;disabled button&lt;<span class="tag">/button</span>&gt;
+</code></pre>
+
+          <div class="docs-note">
+            <p>A button with the <code>loading</code> class can show loading indicator.</p>
+          </div>
+
+          <div class="columns">
+            <div class="column col-xs-12">
+              <button class="btn loading">default button</button>
+              <button class="btn btn-primary loading">primary button</button>
+              <button class="btn btn-link loading">link button</button>
+            </div>
+          </div>
+
+<!-- buttons example -->
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- a button with loading state --&gt;</span>
+&lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn loading&quot;</span>&gt;button&lt;<span class="tag">/button</span>&gt;
+</code></pre>
+
+          <h4 id="buttons-groups" class="s-subtitle">Button groups</h4>
+          <div class="columns">
+            <div class="column col-md-12">
               <div class="btn-group">
-                <button class="btn tooltip" data-tooltip="Tooltip text">first button</button>
-                <button class="btn tooltip" data-tooltip="Tooltip text">second button</button>
-                <button class="btn tooltip" data-tooltip="Tooltip text">third button</button>
+                <button class="btn">first button</button>
+                <button class="btn">second button</button>
+                <button class="btn">third button</button>
               </div>
             </div>
-            <div class="column col-xs-12">
+            <div class="column col-md-12">
               <div class="btn-group btn-group-block">
                 <button class="btn btn-primary">first button</button>
                 <button class="btn btn-primary">second button</button>
@@ -679,14 +697,14 @@
             </div>
           </div>
           <div class="columns">
-            <div class="column col-xs-12">
+            <div class="column col-md-12">
               <div class="btn-group">
                 <button class="btn btn-sm active">first button</button>
                 <button class="btn btn-sm">second button</button>
                 <button class="btn btn-sm">third button</button>
               </div>
             </div>
-            <div class="column col-xs-12">
+            <div class="column col-md-12">
               <div class="btn-group btn-group-block">
                 <button class="btn btn-primary btn-sm active">first button</button>
                 <button class="btn btn-primary btn-sm">second button</button>
@@ -714,20 +732,80 @@
             <p>Forms provide the most common control styles used in forms, including input, textarea, select, checkbox, radio and switch.  </p>
           </div>
           <div class="columns">
-            <div class="column col-9 col-xs-12">
-              <form action="#forms">
-                <div class="form-group">
-                  <label class="form-label" for="input-example-1">Name</label>
-                  <input class="form-input" type="text" id="input-example-1" placeholder="Name" />
-                </div>
-                <div class="form-group">
-                  <label class="form-label" for="input-example-2">Email</label>
-                  <input class="form-input" type="email" id="input-example-2" placeholder="Email" />
-                </div>
+            <div class="column col-6 col-xs-12">
+              <div class="form-group">
+                <label class="form-label" for="input-example-1">Name</label>
+                <input class="form-input" type="text" id="input-example-1" placeholder="Name" />
+              </div>
+              <div class="form-group">
+                <label class="form-label" for="input-example-2">Email</label>
+                <input class="form-input" type="email" id="input-example-2" placeholder="Email" />
+              </div>
+            </div>
+          </div>
+
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form input control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;input-example-1&quot;</span>&gt;Name&lt;<span class="tag">/label</span>&gt;
+  &lt;<span class="tag">input</span> <span class="atn">class</span>=<span class="atv">&quot;form-input&quot;</span> <span class="atn">type</span>=<span class="atv">&quot;text&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;input-example-1&quot;</span> <span class="atn">placeholder</span>=<span class="atv">&quot;Name&quot;</span> /&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <div class="form-group">
+                <label class="form-label" for="input-example-3">Message</label>
+                <textarea class="form-input" id="input-example-3" placeholder="Textarea" rows="3"></textarea>
+              </div>
+            </div>
+          </div>
+
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form textarea control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+&lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;input-example-3&quot;</span>&gt;Message&lt;<span class="tag">/label</span>&gt;
+&lt;<span class="tag">textarea</span> <span class="atn">class</span>=<span class="atv">&quot;form-input&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;input-example-3&quot;</span> <span class="atn">placeholder</span>=<span class="atv">&quot;Textarea&quot;</span> <span class="atn">rows</span>=<span class="atv">&quot;3&quot;</span>&gt;&lt;<span class="tag">/textarea</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <div class="form-group">
+                <select class="form-select">
+                  <option>Choose an option</option>
+                  <option>Slack</option>
+                  <option>Skype</option>
+                  <option>Hipchat</option>
+                </select>
+              </div>
+              <div class="form-group">
+                <select class="form-select" multiple>
+                  <option>Choose an option</option>
+                  <option>Slack</option>
+                  <option>Skype</option>
+                  <option>Hipchat</option>
+                </select>
+              </div>
+            </div>
+          </div>
+
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form select control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+  &lt;<span class="tag">select</span> <span class="atn">class</span>=<span class="atv">&quot;form-select&quot;</span>&gt;
+    &lt;<span class="tag">option</span>&gt;Choose an option&lt;<span class="tag">/option</span>&gt;
+    &lt;<span class="tag">option</span>&gt;Slack&lt;<span class="tag">/option</span>&gt;
+    &lt;<span class="tag">option</span>&gt;Skype&lt;<span class="tag">/option</span>&gt;
+    &lt;<span class="tag">option</span>&gt;Hipchat&lt;<span class="tag">/option</span>&gt;
+  &lt;<span class="tag">/select</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+        
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <form>
                 <div class="form-group">
                   <label class="form-label">Gender</label>
                   <label class="form-radio">
-                    <input type="radio" name="gender" />
+                    <input type="radio" name="gender" checked />
                     <i class="form-icon"></i> Male
                   </label>
                   <label class="form-radio">
@@ -735,93 +813,81 @@
                     <i class="form-icon"></i> Female
                   </label>
                 </div>
-                <div class="form-group">
-                  <select class="form-select">
-                    <option>Choose an option</option>
-                    <option>Slack</option>
-                    <option>Skype</option>
-                    <option>Hipchat</option>
-                  </select>
-                </div>
-                <div class="form-group">
-                  <label class="form-switch">
-                    <input type="checkbox" />
-                    <i class="form-icon"></i> Send me emails with news and tips
-                  </label>
-                </div>
-                <div class="form-group">
-                  <label class="form-label" for="input-example-3">Message</label>
-                  <textarea class="form-input" id="input-example-3" placeholder="Textarea" rows="3"></textarea>
-                </div>
-                <div class="form-group">
-                  <label class="form-checkbox">
-                    <input type="checkbox" />
-                    <i class="form-icon"></i> Remember me
-                  </label>
-                </div>
-                <div class="form-group">
-                  <button class="btn btn-primary" type="submit">Submit</button>
-                  <button class="btn btn-link" type="reset">Cancel</button>
-                </div>
               </form>
             </div>
           </div>
 
-<!-- forms example -->
-<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">form</span>&gt;
-  <span class="com">&lt;!-- form input control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;input-example-1&quot;</span>&gt;Name&lt;<span class="tag">/label</span>&gt;
-    &lt;<span class="tag">input</span> <span class="atn">class</span>=<span class="atv">&quot;form-input&quot;</span> <span class="atn">type</span>=<span class="atv">&quot;text&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;input-example-1&quot;</span> <span class="atn">placeholder</span>=<span class="atv">&quot;Name&quot;</span> /&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  <span class="com">&lt;!-- form radio control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span>&gt;Gender&lt;<span class="tag">/label</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-radio&quot;</span>&gt;
-      &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;gender&quot;</span> /&gt;
-      &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Male
-    &lt;<span class="tag">/label</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-radio&quot;</span>&gt;
-      &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;gender&quot;</span> <span class="atn">checked</span> /&gt;
-      &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Female
-    &lt;<span class="tag">/label</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  <span class="com">&lt;!-- form select control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">select</span> <span class="atn">class</span>=<span class="atv">&quot;form-select&quot;</span>&gt;
-      &lt;<span class="tag">option</span>&gt;Choose an option&lt;<span class="tag">/option</span>&gt;
-      &lt;<span class="tag">option</span>&gt;Slack&lt;<span class="tag">/option</span>&gt;
-      &lt;<span class="tag">option</span>&gt;Skype&lt;<span class="tag">/option</span>&gt;
-      &lt;<span class="tag">option</span>&gt;Hipchat&lt;<span class="tag">/option</span>&gt;
-    &lt;<span class="tag">/select</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  <span class="com">&lt;!-- form switch control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-switch&quot;</span>&gt;
-      &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;checkbox&quot;</span> /&gt;
-      &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Send me emails with news and tips
-    &lt;<span class="tag">/label</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  <span class="com">&lt;!-- form textarea control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;input-example-3&quot;</span>&gt;Message&lt;<span class="tag">/label</span>&gt;
-    &lt;<span class="tag">textarea</span> <span class="atn">class</span>=<span class="atv">&quot;form-input&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;input-example-3&quot;</span> <span class="atn">placeholder</span>=<span class="atv">&quot;Textarea&quot;</span> <span class="atn">rows</span>=<span class="atv">&quot;3&quot;</span>&gt;&lt;<span class="tag">/textarea</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  <span class="com">&lt;!-- form checkbox control --&gt;</span>
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
-    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-checkbox&quot;</span>&gt;
-      &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;checkbox&quot;</span> /&gt;
-      &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Remember me
-    &lt;<span class="tag">/label</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-&lt;<span class="tag">/form</span>&gt;
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form radio control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-label&quot;</span>&gt;Gender&lt;<span class="tag">/label</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-radio&quot;</span>&gt;
+    &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;gender&quot;</span> <span class="atn">checked</span> /&gt;
+    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Male
+  &lt;<span class="tag">/label</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-radio&quot;</span>&gt;
+    &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;gender&quot;</span> /&gt;
+    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Female
+  &lt;<span class="tag">/label</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <div class="form-group">
+                <label class="form-switch">
+                  <input type="checkbox" />
+                  <i class="form-icon"></i> Send me emails with news and tips
+                </label>
+              </div>
+              <div class="form-group">
+                <label class="form-switch">
+                  <input type="checkbox" checked />
+                  <i class="form-icon"></i> Send me emails with news and tips
+                </label>
+              </div>
+            </div>
+          </div>
+
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form switch control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-switch&quot;</span>&gt;
+    &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;checkbox&quot;</span> /&gt;
+    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Send me emails with news and tips
+  &lt;<span class="tag">/label</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+          <div class="columns">
+            <div class="column col-6 col-xs-12">
+              <div class="form-group">
+                <label class="form-checkbox">
+                  <input type="checkbox" />
+                  <i class="form-icon"></i> Remember me
+                </label>
+              </div>
+              <div class="form-group">
+                <label class="form-checkbox">
+                  <input type="checkbox" checked />
+                  <i class="form-icon"></i> Remember me
+                </label>
+              </div>
+            </div>
+          </div>
+
+<pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- form checkbox control --&gt;</span>
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;form-group&quot;</span>&gt;
+  &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;form-checkbox&quot;</span>&gt;
+    &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;checkbox&quot;</span> /&gt;
+    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;form-icon&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt; Remember me
+  &lt;<span class="tag">/label</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
           <div class="docs-note">
             <p>You can use <code>:indeterminate</code> pseudo class for indeterminate state of checkboxes.</p>
           </div>
 
-          <h4 class="s-subtitle">Horizontal forms</h4>
+          <h4 id="forms-horizontal" class="s-subtitle">Horizontal forms</h4>
           <div class="docs-note">
             <p>If you want to have a horizontal form, add the <code>form-horizontal</code> class to the &lt;form&gt; container. And add the <code>col-[1-12]</code> class to the child elements for form row layout. </p>
           </div>
@@ -860,7 +926,9 @@
                   </div>
                 </div>
                 <div class="form-group">
-                  <div class="col-3"></div>
+                  <div class="col-3">
+                    <label class="form-label">Source</label>
+                  </div>
                   <div class="col-9">
                     <select class="form-select" multiple>
                       <option>Slack</option>
@@ -920,7 +988,7 @@
 &lt;<span class="tag">/form</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Form sizes</h4>
+          <h4 id="forms-sizes" class="s-subtitle">Form sizes</h4>
           <div class="docs-note">
             <p>For smaller or larger input and select controls, you could add the <code>input-sm</code>/<code>input-lg</code>, <code>select-sm</code>/<code>select-lg</code> and <code>label-sm</code>/<code>label-lg</code> classes to the elements.</p>
           </div>
@@ -957,8 +1025,9 @@
             </div>
           </div>
 
-          <h4 class="s-subtitle">Form icons</h4>
+          <h4 id="forms-icons" class="s-subtitle">Form icons</h4>
           <div class="docs-note">
+            <p>Spectre Form components has <a href="#icons">Spectre Icons</a> support.</p>
             <p>Add a wrapper with the <code>has-icon-left</code>/<code>has-icon-right</code> class to &lt;input&gt; element. And add the icon with <code>form-icon</code> class next to the &lt;input&gt;.</p>
           </div>
           <div class="columns">
@@ -969,7 +1038,7 @@
               </div>
             </div>
             <div class="column col-4">
-              <div class="has-icon-left">
+              <div class="has-icon-left tooltip" data-tooltip="Lorem ipsum dolor sit amet">
                 <input class="form-input" type="text" placeholder="Name" />
                 <i class="form-icon icon icon-arrow-right"></i>
               </div>
@@ -1042,7 +1111,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Input types</h4>
+          <h4 id="forms-input" class="s-subtitle">Input types</h4>
           <div class="columns">
             <div class="column col-9 col-sm-12">
               <form class="form-horizontal" action="#forms">
@@ -1122,7 +1191,7 @@
             </div>
           </div>
 
-          <h4 class="s-subtitle">Input groups</h4>
+          <h4 id="forms-input-groups" class="s-subtitle">Input groups</h4>
           <div class="columns">
             <div class="column col-xs-12">
               <div class="input-group">
@@ -1205,7 +1274,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Form validation styles</h4>
+          <h4 id="forms-validation" class="s-subtitle">Form validation styles</h4>
           <div class="docs-note">
             <p>To use form validation styles, add <code>is-success</code> or <code>is-error</code> class to the controls or add <code>has-success</code> or <code>has-error</code> class to parent elements. You can use the <code>form-input-hint</code> class to provide form validation success and error messages.</p>
           </div>
@@ -1251,7 +1320,7 @@
                 </div>
               </fieldset>
               <fieldset>
-                <legend>form-checkbox, radio and switch</legend>
+                <legend>form-checkbox, radio and switch (Error status only)</legend>
                 <div class="form-group">
                   <label class="form-checkbox is-error">
                     <input type="checkbox" checked />
@@ -1304,12 +1373,12 @@
 &lt;<span class="tag">/form</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Form disabled styles</h4>
+          <h4 id="forms-disabled" class="s-subtitle">Form disabled styles</h4>
           <div class="docs-note">
             <p>Add the <code>disabled</code> attribute to the element or &lt;fieldset&gt; for a disabled form components style.</p>
           </div>
           <div class="columns">
-            <div class="column col-9 col-xs-12">
+            <div class="column col-6 col-xs-12">
               <form action="#forms">
                 <fieldset disabled>
                   <div class="form-group">
@@ -1362,7 +1431,7 @@
           <div class="docs-note">
             <p>Icons are single-element, responsive and pure CSS icons. You can include <code>spectre-icons.css</code> located in the <code>dist</code> folder to your web &lt;head&gt; to have these CSS icons.</p>
           </div>
-          <h4 class="s-subtitle">Navigation icons</h4>
+          <h4 id="icons-navigation" class="s-subtitle">Navigation icons</h4>
           <div class="columns">
             <div class="column col-3 col-md-6">
               <button class="btn btn-primary btn-action btn-lg">
@@ -1443,7 +1512,7 @@
               <p>icon-more-vert</p>
             </div>
           </div>
-          <h4 class="s-subtitle">Action icons</h4>
+          <h4 id="icons-action" class="s-subtitle">Action icons</h4>
           <div class="columns">
             <div class="column col-3 col-md-6">
               <button class="btn btn-primary btn-action btn-lg">
@@ -1548,7 +1617,7 @@
               <p>icon-upload</p>
             </div>
           </div>
-          <h4 class="s-subtitle">Object icons</h4>
+          <h4 id="icons-object" class="s-subtitle">Object icons</h4>
           <div class="columns">
             <div class="column col-3 col-md-6">
               <button class="btn btn-primary btn-action btn-lg">
@@ -1615,13 +1684,14 @@
             <div class="column">
               <span class="label">default label</span>
               <span class="label label-primary">primary label</span>
+              <span class="label label-secondary">secondary label</span>
               <span class="label label-success">success label</span>
               <span class="label label-warning">warning label</span>
               <span class="label label-error">error label</span>
             </div>
           </div>
           <div class="docs-note">
-            <p>Add the <code>label</code> class to &lt;span&gt; or &lt;small&gt; elements. You can add another class <code>label-primary</code>, <code>label-success</code>, <code>label-warning</code> and <code>label-error</code> for colored labels.</p>
+            <p>Add the <code>label</code> class to &lt;span&gt; or &lt;small&gt; elements. You can add another class <code>label-primary</code>, <code>label-secondary</code>, <code>label-success</code>, <code>label-warning</code> and <code>label-error</code> for colored labels.</p>
           </div>
 
 <!-- labels example -->
@@ -1659,7 +1729,7 @@
           <div class="docs-note">
             <p>Media includes responsive images, figures and video classes. </p>
           </div>
-          <h4 class="s-subtitle">Images</h4>
+          <h4 id="media-images" class="s-subtitle">Images</h4>
           <div class="docs-note">
             <p>Add the <code>img-responsive</code> class to &lt;img&gt; elements. The images will scale with the parent sizes.</p>
           </div>
@@ -1710,7 +1780,7 @@
 &lt;<span class="tag">/figure</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Video</h4>
+          <h4 id="media-video" class="s-subtitle">Video</h4>
           <div class="docs-note">
             <p>For responsive video, add a container with the <code>video-responsive</code> class. Insert any YouTube, Youku or other iframe/embed video inside the container. The ratio is 16:9 by default. You may add <code>video-responsive-4-3</code> for 4:3 ratio video container or <code>video-responsive-1-1</code> for 1:1 ratio.</p>
           </div>
diff --git a/docs/experimentals.html b/docs/experimentals.html
index fa80a10..5223619 100644
--- a/docs/experimentals.html
+++ b/docs/experimentals.html
@@ -105,12 +105,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -146,6 +140,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -158,6 +155,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -328,7 +328,7 @@
             </div>
           </div>
 
-          <h4 class="s-subtitle">Calendars large</h4>
+          <h4 id="calendars-sizes" class="s-subtitle">Calendars sizes</h4>
           <div class="columns">
             <div class="column col-12">
               <div class="calendar calendar-lg">
@@ -648,6 +648,30 @@
             </div>
           </div>
 
+<!-- filters example -->
+<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;filter&quot;</span>&gt;
+  &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;tag-all&quot;</span> <span class="atn">class</span>=<span class="atv">&quot;filter-tag&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;filter-radio&quot;</span> <span class="atn">hidden</span> <span class="atn">checked</span> /&gt;
+  &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;tag-action&quot;</span> <span class="atn">class</span>=<span class="atv">&quot;filter-tag&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;filter-radio&quot;</span> <span class="atn">hidden</span> /&gt;
+  &lt;<span class="tag">input</span> <span class="atn">type</span>=<span class="atv">&quot;radio&quot;</span> <span class="atn">id</span>=<span class="atv">&quot;tag-roleplaying&quot;</span> <span class="atn">class</span>=<span class="atv">&quot;filter-tag&quot;</span> <span class="atn">name</span>=<span class="atv">&quot;filter-radio&quot;</span> <span class="atn">hidden</span> /&gt;
+
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;filter-nav&quot;</span>&gt;
+    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;chip&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;tag-all&quot;</span>&gt;All&lt;<span class="tag">/label</span>&gt;
+    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;chip&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;tag-action&quot;</span>&gt;Action&lt;<span class="tag">/label</span>&gt;
+    &lt;<span class="tag">label</span> <span class="atn">class</span>=<span class="atv">&quot;chip&quot;</span> <span class="atn">for</span>=<span class="atv">&quot;tag-roleplaying&quot;</span>&gt;Roleplaying&lt;<span class="tag">/label</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
+
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;filter-body&quot;</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;filter-item card&quot;</span> <span class="atn">data-tag</span>=<span class="atv">&quot;tag-action&quot;</span>&gt;
+      <span class="com">&lt;!-- Filter item content --&gt;</span>
+    &lt;<span class="tag">/div</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;filter-item card&quot;</span> <span class="atn">data-tag</span>=<span class="atv">&quot;tag-roleplaying&quot;</span>&gt;
+      <span class="com">&lt;!-- Filter item content --&gt;</span>
+    &lt;<span class="tag">/div</span>&gt;
+    <span class="com">&lt;!-- Filter items --&gt;</span>
+  &lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
         </div>
 
         <div id="meters" class="container">
diff --git a/docs/getting-started.html b/docs/getting-started.html
index 5a1afc1..982080e 100644
--- a/docs/getting-started.html
+++ b/docs/getting-started.html
@@ -104,12 +104,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -145,6 +139,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -157,6 +154,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -254,7 +254,7 @@
         <div id="introduction" class="container">
           <h3 class="s-title"><a href="#introduction" class="anchor" aria-hidden="true">#</a>Introduction</h3>
           <div class="docs-note">
-            <p><strong>Spectre.css</strong> is a lightweight and responsive and modern CSS framework for faster and extensible development.</p>
+            <p><strong>Spectre.css</strong> is a lightweight, responsive and modern CSS framework for faster and extensible development.</p>
             <p>Spectre provides basic styles for typography and elements, flexbox based responsive layout system, CSS components and utilities with best practice coding and consistent design language.</p>
           </div>
         </div>
@@ -266,8 +266,8 @@
           </div>
           <div class="docs-note">
             <h5>Install manually</h5>
-            <p>Download the compiled and minified <a href="https://github.com/picturepan2/spectre/tree/master/docs/dist" target="_blank">Spectre CSS file</a> (~10KB min+gzip):</p>
-            <p><a href="https://github.com/picturepan2/spectre/tree/master/docs/dist" target="_blank" class="btn btn-primary">Download Spectre.css</a></p>
+            <p>Download the compiled and minified <a href="https://github.com/picturepan2/spectre/releases" target="_blank">Spectre CSS file</a> (core ~10KB min+gzip):</p>
+            <p><a href="https://github.com/picturepan2/spectre/releases" target="_blank" class="btn btn-primary">Download Spectre.css</a></p>
             <p>Include <code>spectre.css</code> located in <strong>/docs/dist</strong> in your website or Web app &lt;head&gt;. Also, you can add <code>spectre-icons.css</code> and <code>spectre-exp.css</code> accordingly.</p>
           </div>
 
@@ -315,18 +315,29 @@
         <div id="compiling" class="container">
           <h3 class="s-title"><a href="#comiling" class="anchor" aria-hidden="true">#</a>Custom version</h3>
           <div class="docs-note">
-            <p>Spectre uses <a href="http://gulpjs.com/" target="_blank">Gulp</a> for compiling CSS. You can customize your version of Spectre.css by editing LESS files in <code>/src</code> directory or removing unneeded components from <code>spectre.less</code>, <code>spectre-exp.less</code> and <code>spectre-icons.less</code>.</p>
+            <p>You can customize your version of Spectre.css by editing LESS files in <code>/src</code> directory or removing unneeded components from <code>.less</code> source files.</p>
+            <p><a href="https://github.com/picturepan2/spectre/" target="_blank" class="btn btn-primary">Spectre.css Source Code</a></p>
+          </div>
+          <h4 id="compiling-steps" class="s-subtitle">Compiling CSS</h4>
+          <div class="docs-note">
+            <p>Spectre uses <a href="http://gulpjs.com/" target="_blank">Gulp</a> for compiling CSS. Firstly you need to <a href="https://www.npmjs.com/get-npm" target="_blank">install NPM</a>, which is used to manage Gulp and other dependencies.</p>
             <p>Then, you can build the CSS file from the command line:</p>
             <ol>
               <li>Navigate to the root directory of Spectre.</li>
               <li>Run <code>npm install</code>. NPM will install all dev dependencies as listed in package.json.</li>
-              <li>When completed, run <code>gulp build</code> to compile LESS to CSS and minify files.</li>
+              <li>When completed, run <code>gulp build</code> task to compile LESS to CSS and minify files.</li>
               <li>You can find compiled CSS files in <code>/dist</code> directory.</li>
             </ol>
-            <p>You can watch file changes and rebuild CSS files by using <code>gulp watch</code>.</p>
+            <p>All available Gulp tasks:</p>
+            <ul>
+              <li><code>gulp build</code> - compile LESS to CSS and minify files (default)</li>
+              <li><code>gulp docs</code> - compile Docs related files</li>
+              <li><code>gulp watch</code> - watch file changes and re-compile CSS files</li>
+            </ul>
           </div>
 
-<!-- file structure -->
+          <h4 id="compiling-gulptasks" class="s-subtitle">Folder Structure</h4>
+<!-- folder structure -->
 <pre class="code"><code>spectre/
 ├── dist/                               <span class="com">// Build folder (Git ignored)</span>
 │   ├── spectre-exp.css
@@ -364,9 +375,9 @@
 
           <h4 id="variables" class="s-subtitle"><a href="#variables" class="anchor" aria-hidden="true">#</a>Variables</h4>
           <div class="docs-note">
-            <p>Spectre.css is designed with consistent design language. You can modify <code>variables.less</code> to create your new or match existing design.
+            <p>Spectre.css is designed with consistent design language. You can modify <code>variables.less</code> to create your new or match existing design.</p>
           </div>
-          <h5 class="s-subtitle">Colors</h5>  
+          <h5 id="variables-colors" class="s-subtitle">Colors</h5>
           <div class="columns">
             <div class="column col-3 col-md-6">
               <div class="docs-color" style="background:#5764c6;color:#fff;">
@@ -445,11 +456,39 @@
               </div>
             </div>
           </div>
-          <h5 class="s-subtitle">Sizes</h5>
+          
+          <h5 id="variables-sizes" class="s-subtitle">Sizes</h5>
           <div class="docs-note">
             <p>The default REM (root em) size in Spectre.css is <code>20px</code>. </p>
-            <p>Please note in Chinese/Japanese/Korean Chrome, Chrome uses 12px as default minimum font size. That is why Spectre sets rem default html font size to <code>20px</code>, which is relatively easy to calculate. </p>
-            <p>Spectre also use <code>4px</code> as the unit size. Sizes of components are based on the unit size. </p>
+            <p>Please note in the Chinese/Japanese/Korean version, Chrome uses 12px as default minimum font size. That is why Spectre sets rem default html font size to <code>20px</code>, which is relatively easy to calculate. </p>
+            <p>Spectre uses <code>4px</code> as the unit size. Sizes of components are based on the unit size. </p>
+          </div>
+          
+          <h5 id="variables-custom-prefix" class="s-subtitle">Custom prefix</h5>
+          <div class="docs-note">
+            <p>There is also a way to add custom prefix to all CSS classes. You can use <a href="https://www.npmjs.com/package/gulp-css-prefix" target="_blank">gulp-css-prefix</a> plugin and add a new Gulp task to enable it. </p>
+          </div>
+
+<!-- custom prefix example -->
+<pre class="code"><code><span class="tag">$</span> npm install <span class="atv">gulp-css-prefix</span>
+</code></pre>
+
+          <div class="docs-note">
+            <p>To add <code>spectre-</code> to all classes, you can add the Gulp task to <code>gulpfile.js</code> file.</p>
+          </div>
+
+<!-- custom prefix example -->
+<pre class="code"><code>var cssPrefix = require('<span class="atv">gulp-css-prefix</span>');
+  
+gulp.task('prefix', function() {
+  gulp.src('./dist/*.css')
+      .pipe(cssPrefix('<span class="atv">spectre-</span>'))
+      .pipe(gulp.dest('./dist'))
+});
+</code></pre>
+
+          <div class="docs-note">
+            <p>After you compile your version of Spectre in the /dist, run <code>gulp prefix</code> in the directory of Spectre.</p>
           </div>
         </div>
 
@@ -475,6 +514,12 @@
         <div id="whatsnew" class="container">
           <h3 class="s-title"><a href="#whatsnew" class="anchor" aria-hidden="true">#</a>What's new</h3>
           <div class="docs-note">
+            <p><strong>August 2017</strong></p>
+            <ul>
+              <li>
+                <a href="getting-started.html">New Docs Experience</a> <small class="label label-primary">NEW</small>
+              </li>
+            </ul>
             <p><strong>April 2017</strong></p>
             <ul>
               <li>
@@ -493,7 +538,7 @@
             <p><strong>March 2017</strong></p>
             <ul>
               <li>
-                <a href="elements.html#icons">Icons</a>: single-element, responsive and pure CSS icons <small class="label label-primary">NEW</small>
+                <a href="elements.html#icons">Icons</a>: single-element, responsive and pure CSS icons
               </li>
               <li>
                 <a href="components.html#popovers">Popovers</a>: small overlay content containers
@@ -531,6 +576,7 @@
             <ul>
               <li>Initial commit</li>
             </ul>
+            <p><a href="https://github.com/picturepan2/spectre/releases" target="_blank" class="btn btn-primary">Releases</a></p>
           </div>
         </div>
 
diff --git a/docs/index.html b/docs/index.html
index 20489da..e98754d 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -12,27 +12,21 @@
   <link rel="stylesheet" href="css/docs.css" />
 </head>
 <body>
-  <div class="section section-header">
-    <div class="grid-header container grid-lg">
+  <div class="section section-hero bg-gray">
+    <div id="overview" class="grid-hero container grid-lg text-center">
       <div class="s-brand">
         <div class="s-logo">
           <img src="img/spectre-logo.svg" alt="Spectre.css CSS Framework" />
           <h2>Spectre.css</h2>
         </div>
       </div>
-    </div>
-  </div>
-
-  <div class="section section-hero bg-gray">
-    <div id="overview" class="grid-hero container grid-lg text-center">
       <h1>Spectre.css</h1>
       <h2>A <u>lightweight</u>, <u>responsive</u> and <u>modern</u> CSS framework</h2>
-      <div class="columns">
-        <div class="column">
-          <a href="getting-started.html" class="btn btn-primary btn-lg">Docs</a>
-          <a href="https://github.com/picturepan2/spectre" target="_blank" class="btn btn-primary btn-lg">GitHub</a>
-        </div>
-      </div>
+      <p>
+        <a href="getting-started.html" class="btn btn-primary btn-lg">Docs</a>
+        <a href="https://github.com/picturepan2/spectre" target="_blank" class="btn btn-primary btn-lg">GitHub</a>
+      </p>
+      <p class="text-gray">Latest version: <span class="version"></span></p>
       <div class="columns">
         <div class="column col-4 col-xs-12">
           <div class="card text-center">
@@ -72,11 +66,11 @@
     <div class="container grid-lg">
       <h2>Installation</h2>
       <div class="columns">
-        <div class="column col-10 col-sm-12 centered">
+        <div class="column col-10 col-sm-12 col-mx-auto text-left">
           <p class="text-large text-secondary">There are 5 ways to get started with Spectre.css CSS framework in your projects. You can either install manually, from CDN or use NPM, Yarn and Bower.</p>
         </div>
-        <div class="column col-10 col-sm-12 centered">
-          <a href="getting-started.html#installation" class="btn btn-lg">Get started</a>
+        <div class="column col-10 col-sm-12 col-mx-auto">
+          <a href="getting-started.html#installation" class="btn btn-lg">Install Spectre.css</a>
         </div>
       </div>
     </div>
diff --git a/docs/layout.html b/docs/layout.html
index edf206b..15a9dec 100644
--- a/docs/layout.html
+++ b/docs/layout.html
@@ -104,12 +104,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -145,6 +139,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -157,6 +154,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -318,7 +318,7 @@
 
           <div class="docs-note">
             <p>Add the <code>columns</code> class to a container with the <code>container</code> class. And add any element you want with the <code>column</code> class inside the container. These columns will take up the space equally. You can specific the width of each column by adding class <code>col-[1-12]</code>.</p>
-            <p>And you can add the <code>col-gapless</code> class to have gapless columns.</p>
+            <p>And you can add the <code>col-gapless</code> class to the <code>columns</code> to have gapless columns.</p>
           </div>
 
           <div class="columns col-gapless">
@@ -356,34 +356,87 @@
     &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-6&quot;</span>&gt;col-6&lt;<span class="tag">/div</span>&gt;
     &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-6&quot;</span>&gt;col-6&lt;<span class="tag">/div</span>&gt;
   &lt;<span class="tag">/div</span>&gt;
+
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;columns col-oneline&quot;</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-8&quot;</span>&gt;col-8&lt;<span class="tag">/div</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-8&quot;</span>&gt;col-8&lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-        </div>
-
-        <div id="responsive" class="container">
-          <h3 class="s-title"><a href="#responsive" class="anchor" aria-hidden="true">#</a>Responsive grid</h3>
+          <h4 id="grid-offset" class="s-subtitle">Grid offset</h4>
           <div class="docs-note">
-            <p>Spectre provides a neat responsive layout grid system and responsive visibility utilities. </p>
+            <p>The Flexbox grid provides margin auto utilities to set offset. There are <code>col-mx-auto</code>, <code>col-ml-auto</code> and <code>col-mr-auto</code> to set margins between columns without using empty columns.</p>
+          </div>
+
+          <div class="columns">
+            <div class="column col-2">
+              <div class="bg-gray docs-block">col-2</div>
+            </div>
+            <div class="column col-4 col-mx-auto">
+              <div class="bg-gray docs-block">col-4 col-mx-auto</div>
+            </div>
+          </div>
+          <div class="columns">
+            <div class="column col-2">
+              <div class="bg-gray docs-block">col-2</div>
+            </div>
+            <div class="column col-4 col-ml-auto">
+              <div class="bg-gray docs-block">col-4 col-ml-auto</div>
+            </div>
           </div>
           <div class="columns">
-            <div class="column col-lg-6">
-              <div class="bg-gray docs-block">col-lg-6</div>
+            <div class="column col-4 col-ml-auto">
+              <div class="bg-gray docs-block">col-4 col-ml-auto</div>
+            </div>
+            <div class="column col-2">
+              <div class="bg-gray docs-block">col-2</div>
+            </div>
+          </div>
+          <div class="columns">
+            <div class="column col-4 col-mx-auto">
+              <div class="bg-gray docs-block">col-4 col-mx-auto</div>
+            </div>
+            <div class="column col-2">
+              <div class="bg-gray docs-block">col-2</div>
             </div>
           </div>
           <div class="columns">
-            <div class="column col-md-6">
-              <div class="bg-gray docs-block">col-md-6</div>
+            <div class="column col-4 col-mr-auto">
+              <div class="bg-gray docs-block">col-4 col-mr-auto</div>
+            </div>
+            <div class="column col-2">
+              <div class="bg-gray docs-block">col-2</div>
             </div>
           </div>
           <div class="columns">
-            <div class="column col-sm-6">
-              <div class="bg-gray docs-block">col-sm-6</div>
+            <div class="column col-4 col-mx-auto">
+              <div class="bg-gray docs-block">col-4 col-mx-auto</div>
             </div>
           </div>
+
+<!-- layout example -->
+<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;container&quot;</span>&gt;
+  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;columns&quot;</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-4 col-mr-auto&quot;</span>&gt;col-4 col-mr-auto&lt;<span class="tag">/div</span>&gt;
+    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;column col-2&quot;</span>&gt;col-2&lt;<span class="tag">/div</span>&gt;
+  &lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">/div</span>&gt;
+</code></pre>
+
+        </div>
+
+        <div id="responsive" class="container">
+          <h3 class="s-title"><a href="#responsive" class="anchor" aria-hidden="true">#</a>Responsive</h3>
+          <div class="docs-note">
+            <p>Spectre provides a neat responsive layout grid system and responsive visibility utilities. </p>
+          </div>
           <div class="columns">
-            <div class="column col-xs-6">
-              <div class="bg-gray docs-block">col-xs-6</div>
+            <div class="column col-10 col-lg-8 col-md-6 col-sm-4">
+              <div class="bg-gray docs-block">col-10 <br/> col-lg-8 <br/> col-md-6 <br/> col-sm-4</div>
+            </div>
+            <div class="column col-2 col-lg-4 col-md-6 col-sm-8">
+              <div class="bg-gray docs-block">col-2 <br/> col-lg-4 <br/> col-md-6 <br/> col-sm-8</div>
             </div>
           </div>
 
@@ -408,7 +461,7 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Responsive container</h4>
+          <h4 id="responsive-container" class="s-subtitle">Responsive container</h4>
           <div class="docs-note">
             <p>The responsive layout also provides fixed-width containers. Use <code>grid-xs</code>(480px), <code>grid-sm</code> (600px), <code>grid-md</code> (840px), <code>grid-lg</code> (960px) or <code>grid-xl</code> (1280px) to <code>container</code> for a fixed-width container with the specific max-width.</p>
           </div>
@@ -422,11 +475,11 @@
 &lt;<span class="tag">/div</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Responsive visibility</h4>
+          <h4 id="responsive-visibility" class="s-subtitle">Responsive visibility</h4>
           <div class="docs-note">
             <p>The responsive visibility utilities help show and hide elements on specific viewport sizes. </p>
           </div>
-          <table class="docs-table table text-center">
+          <table class="docs-table table table-striped text-center">
             <thead>
               <tr>
                 <th></th>
@@ -492,7 +545,7 @@
             </ul>
           </div>
 
-          <table class="docs-table table text-center">
+          <table class="docs-table table table-striped text-center">
             <thead>
               <tr>
                 <th></th>
@@ -643,234 +696,6 @@
 
         </div>
 
-        <div id="panels" class="container">
-          <h3 class="s-title"><a href="#panels" class="anchor" aria-hidden="true">#</a>Panels</h3>
-          <div class="docs-note">
-            <p>Panels are flexible view container layout with auto-expand content section.</p>
-          </div>
-          <div class="columns">
-            <div class="column col-6 col-xs-12">
-              <div class="panel">
-                <div class="panel-header text-center">
-                  <figure class="avatar avatar-lg">
-                    <img src="img/avatar-2.png" alt="Avatar" />
-                  </figure>
-                  <div class="panel-title h5 mt-10">Bruce Banner</div>
-                  <div class="panel-subtitle">THE HULK</div>
-                </div>
-                <nav class="panel-nav">
-                  <ul class="tab tab-block">
-                    <li class="tab-item active">
-                      <a href="#panels">
-                        Profile
-                      </a>
-                    </li>
-                    <li class="tab-item">
-                      <a href="#panels">
-                        Files
-                      </a>
-                    </li>
-                    <li class="tab-item">
-                      <a href="#panels">
-                        Tasks
-                      </a>
-                    </li>
-                  </ul>
-                </nav>
-                <div class="panel-body">
-                  <div class="tile tile-centered">
-                    <div class="tile-content">
-                      <div class="tile-title">E-mail</div>
-                      <div class="tile-subtitle">bruce.banner@hulk.com</div>
-                    </div>
-                    <div class="tile-action">
-                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
-                    </div>
-                  </div>
-                  <div class="tile tile-centered">
-                    <div class="tile-content">
-                      <div class="tile-title">Skype</div>
-                      <div class="tile-subtitle">bruce.banner</div>
-                    </div>
-                    <div class="tile-action">
-                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
-                    </div>
-                  </div>
-                  <div class="tile tile-centered">
-                    <div class="tile-content">
-                      <div class="tile-title">Location</div>
-                      <div class="tile-subtitle">Dayton, Ohio</div>
-                    </div>
-                    <div class="tile-action">
-                      <button class="btn btn-link btn-action btn-lg"><i class="icon icon-edit"></i></button>
-                    </div>
-                  </div>
-                </div>
-                <div class="panel-footer">
-                  <button class="btn btn-primary btn-block">Save</button>
-                </div>
-              </div>
-            </div>
-            <div class="column col-6 col-xs-12">
-              <div class="panel">
-                <div class="panel-header">
-                  <div class="panel-title h6">Comments</div>
-                </div>
-                <div class="panel-body">
-                  <div class="tile">
-                    <div class="tile-icon">
-                      <figure class="avatar">
-                        <img src="img/avatar-1.png" alt="Avatar" />
-                      </figure>
-                    </div>
-                    <div class="tile-content">
-                      <p class="tile-title">Thor Odinson</p>
-                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
-                    </div>
-                  </div>
-                  <div class="tile">
-                    <div class="tile-icon">
-                      <figure class="avatar">
-                        <img src="img/avatar-2.png" alt="Avatar" />
-                      </figure>
-                    </div>
-                    <div class="tile-content">
-                      <p class="tile-title">Bruce Banner</p>
-                      <p class="tile-subtitle">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
-                    </div>
-                  </div>
-                  <div class="tile">
-                    <div class="tile-icon">
-                      <figure class="avatar" data-initial="TS"></figure>
-                    </div>
-                    <div class="tile-content">
-                      <p class="tile-title">Tony Stark</p>
-                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
-                    </div>
-                  </div>
-                  <div class="tile">
-                    <div class="tile-icon">
-                      <figure class="avatar">
-                        <img src="img/avatar-4.png" alt="Avatar" />
-                      </figure>
-                    </div>
-                    <div class="tile-content">
-                      <p class="tile-title">Steve Rogers</p>
-                      <p class="tile-subtitle">The Strategic Homeland Intervention, Enforcement, and Logistics Division...</p>
-                    </div>
-                  </div>
-                  <div class="tile">
-                    <div class="tile-icon">
-                      <figure class="avatar">
-                        <img src="img/avatar-3.png" alt="Avatar" />
-                      </figure>
-                    </div>
-                    <div class="tile-content">
-                      <p class="tile-title">Natasha Romanoff</p>
-                      <p class="tile-subtitle">Earth's Mightiest Heroes joined forces to take on threats that were too big for any one hero to tackle...</p>
-                    </div>
-                  </div>
-                </div>
-                <div class="panel-footer">
-                  <div class="input-group">
-                    <input type="text" class="form-input" placeholder="Hello" />
-                    <button class="btn btn-primary input-group-btn">Send</button>
-                  </div>
-                </div>
-              </div>
-            </div>
-          </div>
-
-          <div class="docs-note">
-            <p>Add a container element with the <code>panel</code> class. And add child elements with the <code>panel-header</code>, <code>panel-nav</code>, <code>panel-body</code> and/or <code>panel-footer</code> class. The <code>panel-body</code> can be auto expanded and vertically scrollable. </p>
-          </div>
-
-<!-- panels example -->
-<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel&quot;</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-header&quot;</span>&gt;
-    &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-title&quot;</span>&gt;Comments&lt;<span class="tag">/div</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-nav&quot;</span>&gt;
-    <span class="com">&lt;!-- navigation components: tabs, breadcrumbs or pagination --&gt;</span>
-  &lt;<span class="tag">/div</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-body&quot;</span>&gt;
-    <span class="com">&lt;!-- contents --&gt;</span>
-  &lt;<span class="tag">/div</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;panel-footer&quot;</span>&gt;
-    <span class="com">&lt;!-- buttons or inputs --&gt;</span>
-  &lt;<span class="tag">/div</span>&gt;
-&lt;<span class="tag">/div</span>&gt;
-</code></pre>
-
-        </div>
-
-        <div id="empty" class="container">
-          <h3 class="s-title"><a href="#empty" class="anchor" aria-hidden="true">#</a>Empty states / blank slates</h3>
-          <div class="docs-note">
-            <p>Empty states/blank slates are commonly used as placeholders for first time use, empty data and error screens.</p>
-          </div>
-          <div class="columns">
-            <div class="column col-12">
-              <div class="empty">
-                <div class="empty-icon">
-                  <i class="icon icon-message"></i>
-                </div>
-                <p class="empty-title h5">You have no new messages</p>
-                <p class="empty-subtitle">Click the button to start a conversation</p>
-                <div class="empty-action">
-                  <button class="btn btn-primary">Send a message</button>
-                </div>
-              </div>
-            </div>
-            <div class="column col-12">
-              <div class="empty">
-                <div class="empty-icon">
-                  <i class="icon icon-mail"></i>
-                </div>
-                <p class="empty-title h5">You've successfully signed up</p>
-                <p class="empty-subtitle">Click the button to invite your friends</p>
-                <div class="empty-action">
-                  <button class="btn btn-primary">Invite your friends</button>
-                </div>
-                <div class="empty-action">
-                  <button class="btn btn-link">Skip</button>
-                </div>
-              </div>
-            </div>
-            <div class="column col-12">
-              <div class="empty">
-                <div class="empty-icon">
-                  <i class="icon icon-people"></i>
-                </div>
-                <p class="empty-title h5">You are not following anyone</p>
-                <p class="empty-subtitle">Start to meet new friends</p>
-                <div class="empty-action input-group input-inline">
-                  <input type="text" class="form-input" placeholder="" />
-                  <button class="btn btn-primary input-group-btn">Search</button>
-                </div>
-              </div>
-            </div>
-          </div>
-
-          <div class="docs-note">
-            <p>An empty state component can include icons, messages (title and subtitle messages) and action buttons or any combination of those elements. Add <code>empty-icon</code>, <code>empty-title</code>, <code>empty-subtitle</code> or <code>empty-action</code> to the elements. HTML structure is exampled below. </p>
-          </div>
-
-<!-- empty states example -->
-<pre class="code" data-lang="HTML"><code>&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty&quot;</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty-icon&quot;</span>&gt;
-    &lt;<span class="tag">i</span> <span class="atn">class</span>=<span class="atv">&quot;icon icon-people&quot;</span>&gt;&lt;<span class="tag">/i</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-  &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;empty-title h5&quot;</span>&gt;You have no new messages&lt;<span class="tag">/p</span>&gt;
-  &lt;<span class="tag">p</span> <span class="atn">class</span>=<span class="atv">&quot;empty-subtitle&quot;</span>&gt;Click the button to start a conversation.&lt;<span class="tag">/p</span>&gt;
-  &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;empty-action&quot;</span>&gt;
-    &lt;<span class="tag">button</span> <span class="atn">class</span>=<span class="atv">&quot;btn btn-primary&quot;</span>&gt;Send a message&lt;<span class="tag">/button</span>&gt;
-  &lt;<span class="tag">/div</span>&gt;
-&lt;<span class="tag">/div</span>&gt;
-</code></pre>
-
-        </div>
-
         <footer class="s-footer">
           <p><a href="https://github.com/picturepan2/spectre" target="_blank">GitHub</a> | <a href="https://twitter.com/spectrecss" target="_blank">Twitter</a> | <a href="https://www.paypal.me/picturepan2" target="_blank">PayPal Donate</a> | Version <span class="version"></span></p>
           <p>Designed and built with ♥ by <a href="https://twitter.com/picturepan2" target="_blank">Yan Zhu</a>. Licensed under the <a href="https://github.com/picturepan2/spectre/blob/master/LICENSE" target="_blank">MIT License</a>.</p>
diff --git a/docs/src/docs.less b/docs/src/docs.less
index b16bf3d..7bb83a5 100644
--- a/docs/src/docs.less
+++ b/docs/src/docs.less
@@ -1,7 +1,7 @@
 /*! Spectre.css Docs | MIT License | github.com/picturepan2/spectre */
 /* Spectre version */
 .version::after {
-  content: "0.2.15";
+  content: "0.3.1";
 }
 // Core variables and mixins
 @import '../../src/variables.less';
@@ -139,7 +139,7 @@
 
   .docs-block {
     border-radius: @border-radius;
-    padding: .5rem;
+    padding: @unit-2;
 
     &.bg-gray {
       background: @bg-color-dark;
@@ -293,24 +293,17 @@
 }
 
 /* Spectre Homepage style */
-.section-header {
-  backdrop-filter: blur(.5rem); // Safari only feature
-  background: fade(@bg-color, 90%);  
+.section-hero {
   padding: 1rem .5rem;
-  position: fixed;
-  top: 0;
-  width: 100%;
-  z-index: @zindex-2;
+  position: relative;
 
   .s-brand {
-    padding: 0;
-    position: static;
-  }
-}
+    position: absolute;
 
-.section-hero {
-  padding: 1.5rem .5rem;
-  position: relative;
+    h2 {
+      color: @primary-color;
+    }
+  }
 
   .column {
     padding: @layout-spacing;
@@ -347,7 +340,7 @@
 }
 
 .grid-hero {
-  margin-top: 5rem;
+  margin-top: 6rem;
   margin-bottom: 2rem;
 
   h1 {
@@ -469,6 +462,7 @@
 
     .s-title,
     .s-subtitle {
+      padding-top: 5rem;
       position: static;
 
       &::before {
@@ -476,6 +470,22 @@
       }
     }
   }
+
+  .section-hero {
+    .s-brand {
+      height: 5rem;
+      padding: 1.5rem .5rem;
+
+      .s-logo {
+        height: auto;
+      }
+
+      img {
+        height: 3.2rem;
+        width: 3.2rem;
+      }
+    }
+  }
 }
 
 @media screen and (max-width: 600px) {
@@ -492,7 +502,7 @@
     padding: 3.5rem .5rem 0 .5rem;
 
     .docs-block {
-      padding: .5rem .1rem;
+      padding: @unit-2 @unit-h;
     }
 
     .anchor {
diff --git a/docs/utilities.html b/docs/utilities.html
index 5077792..d502712 100644
--- a/docs/utilities.html
+++ b/docs/utilities.html
@@ -104,12 +104,6 @@
                   <li class="menu-item">
                     <a href="layout.html#navbar">Navbar</a>
                   </li>
-                  <li class="menu-item">
-                    <a href="layout.html#panels">Panels</a>
-                  </li>
-                  <li class="menu-item">
-                    <a href="layout.html#empty">Empty states</a>
-                  </li>
                 </ul>
               </div>
             </div>
@@ -145,6 +139,9 @@
                     <a href="components.html#chips">Chips</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#empty">Empty states</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#menus">Menus</a>
                   </li>
                   <li class="menu-item">
@@ -157,6 +154,9 @@
                     <a href="components.html#pagination">Pagination</a>
                   </li>
                   <li class="menu-item">
+                    <a href="components.html#panels">Panels</a>
+                  </li>
+                  <li class="menu-item">
                     <a href="components.html#popovers">Popovers</a>
                   </li>
                   <li class="menu-item">
@@ -256,12 +256,12 @@
           <div class="docs-note">
             <p>Color utilities are used for changing colors for text, link and background.</p>
           </div>
-          <h4 class="s-subtitle">Text colors</h4>
+          <h4 id="colors-text" class="s-subtitle">Text colors</h4>
           <div class="docs-note">
             <p><span class="text-primary">primary color</span></p>
             <p><span class="text-secondary">secondary color</span></p>
             <p><span class="text-gray">gray color</span></p>
-            <p><span class="text-light bg-dark p-5 rounded">light color</span></p>
+            <p><span class="text-light bg-dark p-1 rounded">light color</span></p>
             <p><span class="text-success">success color</span></p>
             <p><span class="text-warning">warning color</span></p>
             <p><span class="text-error">error color</span></p>
@@ -278,13 +278,13 @@
 </code></pre>
 
           <div class="docs-note">
-            <p><a class="text-primary p-5" href="#colors">primary link</a></p>
-            <p><a class="text-secondary p-5" href="#colors">secondary link</a></p>
-            <p><a class="text-gray p-5" href="#colors">gray link</a></p>
-            <p><a class="text-light bg-dark p-5 rounded" href="#colors">light link</a></p>
-            <p><a class="text-success p-5" href="#colors">success link</a></p>
-            <p><a class="text-warning p-5" href="#colors">warning link</a></p>
-            <p><a class="text-error p-5" href="#colors">error link</a></p>
+            <p><a class="text-primary p-1" href="#colors">primary link</a></p>
+            <p><a class="text-secondary p-1" href="#colors">secondary link</a></p>
+            <p><a class="text-gray p-1" href="#colors">gray link</a></p>
+            <p><a class="text-light bg-dark p-1 rounded" href="#colors">light link</a></p>
+            <p><a class="text-success p-1" href="#colors">success link</a></p>
+            <p><a class="text-warning p-1" href="#colors">warning link</a></p>
+            <p><a class="text-error p-1" href="#colors">error link</a></p>
           </div>
 
 <!-- colors example -->
@@ -297,15 +297,15 @@
 &lt;<span class="tag">a</span> <span class="atn">class</span>=<span class="atv">&quot;text-error&quot;</span> <span class="atn">href</span>=<span class="atv">&quot;#&quot;</span>&gt;error color&lt;<span class="tag">/a</span>&gt;
 </code></pre>
 
-          <h4 class="s-subtitle">Background colors</h4>
+          <h4 id="colors-background" class="s-subtitle">Background colors</h4>
           <div class="docs-note">
-            <p><span class="bg-primary text-light p-5 rounded">primary bg</span></p>
-            <p><span class="bg-secondary text-primary p-5 rounded">secondary bg</span></p>
-            <p><span class="bg-dark text-light p-5 rounded">dark bg</span></p>
-            <p><span class="bg-gray p-5 rounded">gray bg</span></p>
-            <p><span class="bg-success text-light p-5 rounded">success bg</span></p>
-            <p><span class="bg-warning text-light p-5 rounded">warning bg</span></p>
-            <p><span class="bg-error text-light p-5 rounded">error bg</span></p>
+            <p><span class="bg-primary text-light p-1 rounded">primary bg</span></p>
+            <p><span class="bg-secondary text-primary p-1 rounded">secondary bg</span></p>
+            <p><span class="bg-dark text-light p-1 rounded">dark bg</span></p>
+            <p><span class="bg-gray p-1 rounded">gray bg</span></p>
+            <p><span class="bg-success text-light p-1 rounded">success bg</span></p>
+            <p><span class="bg-warning text-light p-1 rounded">warning bg</span></p>
+            <p><span class="bg-error text-light p-1 rounded">error bg</span></p>
           </div>
 
 <!-- colors example -->
@@ -328,21 +328,22 @@
 
 <!-- display utilities example -->
 <pre class="code" data-lang="HTML"><code><span class="com">&lt;!-- display: block; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;block&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-block&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- display: inline; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;inline&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-inline&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- display: inline-block; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;inline-block&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-inline-block&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- display: flex; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;flex&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-flex&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- display: inline-flex; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;inline-flex&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-inline-flex&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- display: none; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;hide&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-none&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-hide&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- visibility: visible; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;visible&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-visible&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- visibility: hidden; --&gt;</span>
-&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;invisible&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
+&lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;d-invisible&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- hide text contents --&gt;</span>
 &lt;<span class="tag">div</span> <span class="atn">class</span>=<span class="atv">&quot;text-hide&quot;</span>&gt;&lt;<span class="tag">/div</span>&gt;
 <span class="com">&lt;!-- assistive text for screen reader --&gt;</span>
@@ -428,7 +429,7 @@
         <div id="loading" class="container">
           <h3 class="s-title"><a href="#loading" class="anchor" aria-hidden="true">#</a>Loading</h3>
           <div class="docs-note">
-            <p>Loading indicator is used for loading or updating. Also, you can add the <code>loading</code> class to buttons for loading status. Add the <code>btn-lg</code> class for large size. </p>
+            <p>Loading indicator is used for loading or updating. Also, you can add the <code>loading</code> class to buttons for loading status.</p>
           </div>
           <div class="columns">
             <div class="column col-12 text-center">
@@ -436,8 +437,8 @@
             </div>
           </div>
           <div class="docs-note">
-              <p>Add the <code>btn-lg</code> class for large size. </p>
-            </div>
+            <p>Add the <code>loading-lg</code> class for large size. </p>
+          </div>
           <div class="columns">
             <div class="column col-12 text-center">
               <div class="loading loading-lg"></div>
diff --git a/package.json b/package.json
index 9a8e461..e38e69e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "spectre.css",
-  "version": "0.2.15",
+  "version": "0.3.1",
   "homepage": "http://picturepan2.github.io/spectre",
   "author": "Yan Zhu <picturepan2@hotmail.com>",
   "description": "Spectre.css: a lightweight, responsive and modern CSS framework.",
diff --git a/spectre.less b/spectre.less
index c61207e..14c150d 100644
--- a/spectre.less
+++ b/spectre.less
@@ -29,15 +29,18 @@
 @import 'src/autocomplete.less';
 @import 'src/avatars.less';
 @import 'src/badges.less';
+@import 'src/breadcrumbs.less';
 @import 'src/bars.less';
 @import 'src/cards.less';
 @import 'src/chips.less';
 @import 'src/dropdowns.less';
 @import 'src/menus.less';
 @import 'src/modals.less';
-@import 'src/navigation.less';
+@import 'src/navs.less';
+@import 'src/pagination.less';
 @import 'src/popovers.less';
 @import 'src/steps.less';
+@import 'src/tabs.less';
 @import 'src/tiles.less';
 @import 'src/toasts.less';
 @import 'src/tooltips.less';
diff --git a/src/breadcrumbs.less b/src/breadcrumbs.less
index 280250b..0b0f757 100644
--- a/src/breadcrumbs.less
+++ b/src/breadcrumbs.less
@@ -1,5 +1,7 @@
 // Breadcrumbs
 .breadcrumb {
+  list-style: none;
+  margin: @unit-1 0;
   padding: @unit-1 0;
 
   .breadcrumb-item {
diff --git a/src/buttons.less b/src/buttons.less
index 3f1e326..1beba4d 100644
--- a/src/buttons.less
+++ b/src/buttons.less
@@ -91,13 +91,13 @@
   &.btn-sm {
     font-size: @font-size-sm;
     height: @control-size-sm;
-    padding: @control-padding-v-sm @control-padding-h;
+    padding: @control-padding-v-sm @control-padding-h * .75;
   }
 
   &.btn-lg {
     font-size: @font-size-lg;
     height: @control-size-lg;
-    padding: @control-padding-v-lg @control-padding-h;
+    padding: @control-padding-v-lg @control-padding-h * 1.5;
   }
 
   // Button Block
diff --git a/src/cards.less b/src/cards.less
index 1a84c21..dadfa8b 100644
--- a/src/cards.less
+++ b/src/cards.less
@@ -3,7 +3,8 @@
   background: @bg-color-light;
   border: @border-width solid @border-color;
   border-radius: @border-radius;
-  display: block;
+  display: flex;
+  flex-direction: column;
 
   .card-header,
   .card-body,
@@ -35,8 +36,4 @@
       }
     }
   }
-
-  .card-subtitle {
-    color: lighten(@body-font-color, 40%);
-  }
-}
+}
+\ No newline at end of file
diff --git a/src/empty.less b/src/empty.less
index acfc8a0..b6cb1ae 100644
--- a/src/empty.less
+++ b/src/empty.less
@@ -15,10 +15,6 @@
     margin: @layout-spacing auto;
   }
 
-  .empty-subtitle {
-    color: lighten(@body-font-color, 40%);
-  }
-
   .empty-action {
     margin-top: @layout-spacing-lg;
   }
diff --git a/src/forms.less b/src/forms.less
index b0e9a9e..bc9b571 100644
--- a/src/forms.less
+++ b/src/forms.less
@@ -81,7 +81,7 @@ legend {
 
   // Input types
   &[type="file"] {
-    height: auto;
+    padding: .125rem;
   }
 }
 
@@ -109,20 +109,23 @@ legend {
   border-radius: @border-radius;
   color: inherit;
   font-size: @font-size;
+  height: @control-size;
   line-height: @line-height;
   outline: none;
   padding: @control-padding-v @control-padding-h;
   vertical-align: middle;
   width: 100%;
 
+  &[size],
   &[multiple] {
+    height: auto;
+    
     option {
       padding: @unit-h @unit-1;
     }
   }
-  &:not([multiple]) {
+  &:not([multiple]):not([size]) {
     background: @bg-color-light url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23667189' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right (@control-icon-size / 2) center / .4rem .5rem;
-    height: @control-size;
     padding-right: @control-icon-size + @control-padding-h;
   }
   &:focus {
diff --git a/src/labels.less b/src/labels.less
index dfef4b6..c67759b 100644
--- a/src/labels.less
+++ b/src/labels.less
@@ -7,6 +7,10 @@
     .label-variant(@light-color, @primary-color);
   }
 
+  &.label-secondary {
+    .label-variant(@primary-color, @secondary-color);
+  }
+
   &.label-success {
     .label-variant(@light-color, @control-color-success);
   }
diff --git a/src/layout.less b/src/layout.less
index 36323ff..7fd2c60 100644
--- a/src/layout.less
+++ b/src/layout.less
@@ -28,6 +28,15 @@
   }
 }
 
+// Responsive breakpoint system
+.show-xs,
+.show-sm,
+.show-md,
+.show-lg,
+.show-xl {
+  display: none !important;
+}
+
 // Responsive grid system
 .columns {
   display: flex;
@@ -39,7 +48,7 @@
     margin-left: 0;
     margin-right: 0;
 
-    .column {
+    & > .column {
       padding-left: 0;
       padding-right: 0;
     }
@@ -106,6 +115,21 @@
 .col-1 {
   width: 8.33333333%;
 }
+.col-auto {
+  flex: 0 0 auto;
+  max-width: none;
+  width: auto;
+}
+.col-mx-auto {
+  margin-left: auto;
+  margin-right: auto;
+}
+.col-ml-auto {
+  margin-left: auto;
+}
+.col-mr-auto {
+  margin-right: auto;
+}
 @media screen and (max-width: @size-xl ) {
   .col-xl-12,
   .col-xl-11,
@@ -157,6 +181,12 @@
   .col-xl-1 {
     width: 8.33333333%;
   }
+  .hide-xl {
+    display: none !important;
+  }
+  .show-xl {
+    display: block !important;
+  }
 }
 @media screen and (max-width: @size-lg ) {
   .col-lg-12,
@@ -209,6 +239,12 @@
   .col-lg-1 {
     width: 8.33333333%;
   }
+  .hide-lg {
+    display: none !important;
+  }
+  .show-lg {
+    display: block !important;
+  }
 }
 @media screen and (max-width: @size-md ) {
   .col-md-12,
@@ -261,6 +297,12 @@
   .col-md-1 {
     width: 8.33333333%;
   }
+  .hide-md {
+    display: none !important;
+  }
+  .show-md {
+    display: block !important;
+  }
 }
 @media screen and (max-width: @size-sm ) {
   .col-sm-12,
@@ -313,6 +355,12 @@
   .col-sm-1 {
     width: 8.33333333%;
   }
+  .hide-sm {
+    display: none !important;
+  }
+  .show-sm {
+    display: block !important;
+  }
 }
 @media screen and (max-width: @size-xs) {
   .col-xs-12,
@@ -365,17 +413,6 @@
   .col-xs-1 {
     width: 8.33333333%;
   }
-}
-
-// Responsive breakpoint system
-.show-xs,
-.show-sm,
-.show-md,
-.show-lg,
-.show-xl {
-  display: none !important;
-}
-@media screen and (max-width: @size-xs) {
   .hide-xs {
     display: none !important;
   }
@@ -383,35 +420,3 @@
     display: block !important;
   }
 }
-@media screen and (max-width: @size-sm) {
-  .hide-sm {
-    display: none !important;
-  }
-  .show-sm {
-    display: block !important;
-  }
-}
-@media screen and (max-width: @size-md) {
-  .hide-md {
-    display: none !important;
-  }
-  .show-md {
-    display: block !important;
-  }
-}
-@media screen and (max-width: @size-lg) {
-  .hide-lg {
-    display: none !important;
-  }
-  .show-lg {
-    display: block !important;
-  }
-}
-@media screen and (max-width: @size-xl) {
-  .hide-xl {
-    display: none !important;
-  }
-  .show-xl {
-    display: block !important;
-  }
-}
diff --git a/src/media.less b/src/media.less
index 455d77c..a55b8cb 100644
--- a/src/media.less
+++ b/src/media.less
@@ -32,6 +32,7 @@
   iframe,
   object,
   embed {
+    border: 0;
     bottom: 0;
     height: 100%;
     left: 0;
diff --git a/src/mixins.less b/src/mixins.less
index 52cd743..6fd4d6d 100644
--- a/src/mixins.less
+++ b/src/mixins.less
@@ -35,8 +35,8 @@
 .label-base() {
   border-radius: @border-radius;
   display: inline-block;
-  line-height: 1;
-  padding: .2em .3em;
+  line-height: 1.2;
+  padding: .1em .3em;
   vertical-align: baseline;
 }
 
@@ -51,55 +51,55 @@
 }
 
 // Position utility mixin
-.margin-variant(@size: 1) {
-  .m-@{size} {
-    padding: @size * @unit-1;
+.margin-variant(@id: 1, @size: 1) {
+  .m-@{id} {
+    margin: @size;
   }
-  .mb-@{size} {
-    padding-bottom: @size * @unit-1;
+  .mb-@{id} {
+    margin-bottom: @size;
   }
-  .ml-@{size} {
-    padding-left: @size * @unit-1;
+  .ml-@{id} {
+    margin-left: @size;
   }
-  .mr-@{size} {
-    padding-right: @size * @unit-1;
+  .mr-@{id} {
+    margin-right: @size;
   }
-  .mt-@{size} {
-    padding-top: @size * @unit-1;
+  .mt-@{id} {
+    margin-top: @size;
   }
-  .mx-@{size} {
-    padding-left: @size * @unit-1;
-    padding-right: @size * @unit-1;
+  .mx-@{id} {
+    margin-left: @size;
+    margin-right: @size;
   }
-  .my-@{size} {
-    padding-bottom: @size * @unit-1;
-    padding-top: @size * @unit-1;
+  .my-@{id} {
+    margin-bottom: @size;
+    margin-top: @size;
   }
 }
 
-.padding-variant(@size: 1) {
-  .p-@{size} {
-    padding: @size * @unit-1;
+.padding-variant(@id: 1, @size: 1) {
+  .p-@{id} {
+    padding: @size;
   }
-  .pb-@{size} {
-    padding-bottom: @size * @unit-1;
+  .pb-@{id} {
+    padding-bottom: @size;
   }
-  .pl-@{size} {
-    padding-left: @size * @unit-1;
+  .pl-@{id} {
+    padding-left: @size;
   }
-  .pr-@{size} {
-    padding-right: @size * @unit-1;
+  .pr-@{id} {
+    padding-right: @size;
   }
-  .pt-@{size} {
-    padding-top: @size * @unit-1;
+  .pt-@{id} {
+    padding-top: @size;
   }
-  .px-@{size} {
-    padding-left: @size * @unit-1;
-    padding-right: @size * @unit-1;
+  .px-@{id} {
+    padding-left: @size;
+    padding-right: @size;
   }
-  .py-@{size} {
-    padding-bottom: @size * @unit-1;
-    padding-top: @size * @unit-1;
+  .py-@{id} {
+    padding-bottom: @size;
+    padding-top: @size;
   }
 }
 
diff --git a/src/navigation.less b/src/navigation.less
deleted file mode 100644
index a129886..0000000
--- a/src/navigation.less
+++ /dev/null
@@ -1,13 +0,0 @@
-// Navigation
-.breadcrumb,
-.tab,
-.pagination,
-.nav {
-  list-style: none;
-  margin: @unit-1 0;
-}
-
-@import 'breadcrumbs.less';
-@import 'tabs.less';
-@import 'pagination.less';
-@import 'navs.less';
diff --git a/src/navs.less b/src/navs.less
index edfc3d3..5f471b0 100644
--- a/src/navs.less
+++ b/src/navs.less
@@ -2,6 +2,8 @@
 .nav {
   display: flex;
   flex-direction: column;
+  list-style: none;
+  margin: @unit-1 0;
 
   .nav-item {
     a {
diff --git a/src/pagination.less b/src/pagination.less
index 0523bad..7372c59 100644
--- a/src/pagination.less
+++ b/src/pagination.less
@@ -1,6 +1,8 @@
 // Pagination
 .pagination {
   display: flex;
+  list-style: none;
+  margin: @unit-1 0;
   padding: @unit-1 0;
 
   .page-item {
diff --git a/src/panels.less b/src/panels.less
index 873d21f..3c6bae8 100644
--- a/src/panels.less
+++ b/src/panels.less
@@ -20,8 +20,4 @@
     overflow-y: auto;
     padding: 0 @layout-spacing-lg;
   }
-
-  .panel-subtitle {
-    color: lighten(@body-font-color, 40%);
-  }
 }
diff --git a/src/tabs.less b/src/tabs.less
index 1abfe75..c5af2b6 100644
--- a/src/tabs.less
+++ b/src/tabs.less
@@ -1,8 +1,11 @@
 // Tabs
 .tab {
   align-items: center;
+  border-bottom: @border-width solid @border-color;
   display: flex;
   flex-wrap: wrap;
+  list-style: none;
+  margin: @unit-1 0 @unit-1 - @border-width 0;
 
   .tab-item {
     margin-top: 0;
@@ -16,8 +19,8 @@
       border-bottom: @border-width-lg solid transparent;
       color: inherit;
       display: block;
-      margin-top: 0;
-      padding: 6px 12px 4px 12px;
+      margin: 0 @unit-2 0 0;
+      padding: @unit-2 @unit-1 @unit-2 - @border-width-lg @unit-1;
       text-decoration: none;
       &:focus,
       &:hover {
@@ -36,6 +39,10 @@
       flex: 1 0 0;
       text-align: center;
 
+      a {
+        margin: 0;
+      }
+
       .badge {
         &[data-badge]::after {
           position: absolute;
diff --git a/src/tiles.less b/src/tiles.less
index 79c1a69..a99540e 100644
--- a/src/tiles.less
+++ b/src/tiles.less
@@ -17,11 +17,8 @@
       padding-right: @unit-2;
     }
   }
-  .tile-title {
-    line-height: @line-height;
-  }
+  .tile-title,
   .tile-subtitle {
-    color: lighten(@body-font-color, 40%);
     line-height: @line-height;
   }
 
diff --git a/src/utilities/display.less b/src/utilities/display.less
index a00aa4a..26e611e 100644
--- a/src/utilities/display.less
+++ b/src/utilities/display.less
@@ -1,26 +1,27 @@
 // Display
-.block {
+.d-block {
   display: block;
 }
-.inline {
+.d-inline {
   display: inline;
 }
-.inline-block {
+.d-inline-block {
   display: inline-block;
 }
-.flex {
+.d-flex {
   display: flex;
 }
-.inline-flex {
+.d-inline-flex {
   display: inline-flex;
 }
+.d-none,
 .hide {
   display: none !important;
 }
-.visible {
+.d-visible {
   visibility: visible;
 }
-.invisible {
+.d-invisible {
   visibility: hidden;
 }
 .text-hide {
diff --git a/src/utilities/position.less b/src/utilities/position.less
index 1bf33b5..235d6a6 100644
--- a/src/utilities/position.less
+++ b/src/utilities/position.less
@@ -26,8 +26,10 @@
 }
 
 // Spacing
-.margin-variant(1);
-.margin-variant(2);
+.margin-variant(0, 0);
+.margin-variant(1, @unit-1);
+.margin-variant(2, @unit-2);
 
-.padding-variant(1);
-.padding-variant(2);
-\ No newline at end of file
+.padding-variant(0, 0);
+.padding-variant(1, @unit-1);
+.padding-variant(2, @unit-2);
+\ No newline at end of file
Commit	7395257d70d8c60b5c4499f297f03b75db5af230 (patch)
Author	Yan Zhu <picturepan2@hotmail.com>	2017-08-19 15:31:50 +0800
Committer	GitHub <noreply@github.com>	2017-08-19 15:31:50 +0800
Files	4998e47bf96155870506a272ba6298cf866a742a
	Spectre-Dark-Gruvbox-0.3.1.tar Spectre-Dark-Gruvbox-0.3.1.tar.gz Spectre-Dark-Gruvbox-0.3.1.zip
Parent	c9e625c9dd8f1628c58b10bb165961eae068002f (diff)
Parent	d5f1cb0ba2e559db550a94297f1979be9735bc0b (diff)