1 files changed, 10 insertions, 1 deletions
diff --git a/src/variables.less b/src/variables.less
index 35a1d15..d4a8cb9 100644
--- a/src/variables.less
+++ b/src/variables.less
@@ -4,4 +4,13 @@
 @body-bg: #fff;
 @body-font-color: #333;
 @body-font-size: 14px;
-@body-font-family: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", WenQuanYi Micro Hei, sans-serif;
-\ No newline at end of file
+@body-font-family: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", WenQuanYi Micro Hei, sans-serif;
+
+// Mixins
+.clearfix() {
+  &::after {
+    content: "";
+    display: table;
+    clear: both;
+  }
+}
+\ No newline at end of file