diff --git a/scripts/system/html/css/edit-style.css b/scripts/system/html/css/edit-style.css
index 2d5a6e987f..40f3d682cd 100644
--- a/scripts/system/html/css/edit-style.css
+++ b/scripts/system/html/css/edit-style.css
@@ -610,6 +610,7 @@ hr {
 .dropdown dl[dropped="true"] {
     color: #404040;
     background: linear-gradient(#afafaf, #afafaf);
+    z-index: 998;
 }
 
 .dropdown dt {