diff --git a/docs/examples/equal-height-columns/equal-height-columns.css b/docs/examples/equal-height-columns/equal-height-columns.css
index 050467719b..2910061f72 100644
--- a/docs/examples/equal-height-columns/equal-height-columns.css
+++ b/docs/examples/equal-height-columns/equal-height-columns.css
@@ -6,7 +6,7 @@
   display: -webkit-box;
   display: -webkit-flex;
   display: -ms-flexbox;
-  display:         flex;
+  display: flex;
 }
 
 /*