add more flexible responsive grid

1 files changed, 7 insertions, 0 deletions

diff --git a/src/variables.less b/src/variables.less
index 404cd1f..6a5c260 100644
--- a/src/variables.less
+++ b/src/variables.less
@@ -17,6 +17,13 @@
 @control-color-warning: #ffb700;
 @control-color-danger: #e85600;
 
+// Responsive Breakpoints
+@size-xs: 480px;
+@size-sm: 600px;
+@size-md: 840px;
+@size-lg: 960px;
+@size-xl: 1280px;
+
 // Mixins
 .clearfix() {
   &::after {