diff --git a/common/lib/xmodule/xmodule/css/capa/display.scss b/common/lib/xmodule/xmodule/css/capa/display.scss
index ae576e72b8..b6bce5f83d 100644
--- a/common/lib/xmodule/xmodule/css/capa/display.scss
+++ b/common/lib/xmodule/xmodule/css/capa/display.scss
@@ -46,10 +46,8 @@ section.problem {
       &:before {
         content: " ";
         display: block;
-        height: 1px;
-        width: 1px;
-        margin-top: -1px;
-        opacity: 0;
+        height: 0;
+        visibility: hidden;
       }
     }
   }