diff --git a/cms/static/sass/views/_unit.scss b/cms/static/sass/views/_unit.scss
index 0a315e6799..1128663378 100644
--- a/cms/static/sass/views/_unit.scss
+++ b/cms/static/sass/views/_unit.scss
@@ -485,6 +485,7 @@ body.course.unit,.view-unit {
 
       .row {
         margin-bottom: 0px;
+        overflow: hidden;
       }
 
       // Module Actions, also used for Static Pages