diff --git a/app/assets/stylesheets/active_admin/editor.css.scss b/app/assets/stylesheets/active_admin/editor.css.scss
index 448240a..4b72b78 100644
--- a/app/assets/stylesheets/active_admin/editor.css.scss
+++ b/app/assets/stylesheets/active_admin/editor.css.scss
@@ -22,7 +22,7 @@ body form .html_editor {
     border-top: 1px solid lighten(#C9D0D6, 10%);
 
     &:focus {
-      box-shadow: none;
+      shadow: none;
       border: 1px solid #C9D0D6;
       border-top: 1px solid lighten(#C9D0D6, 10%);
     }