线条

css/common.scss

@@ -388,6 +388,13 @@
   cursor: pointer;
 }
 
+/** 线条 */
+@for $i from 1 through 5 {
+  .zh-border-top-#{$i} {
+    border-top: 1px * $i solid #f3f3f3;
+  }
+}
+
 /** 布局 */
 .wrap-container {
   @extend .zh-width-100P;