diff --git a/styles/mixins.less b/styles/mixins.less
index 44e9460ca2..3c27533854 100644
--- a/styles/mixins.less
+++ b/styles/mixins.less
@@ -24,7 +24,7 @@
 
 .widget-style() {
   border-radius: 4px;
-  border: 1px solid @gray-lightest;
+  border: 1px solid @gray-lighter;
   position: relative;
   overflow: hidden;
 }