diff --git a/src/Squidex/app/theme/_bootstrap.scss b/src/Squidex/app/theme/_bootstrap.scss
index e3bd858ca..e886dfdc6 100644
--- a/src/Squidex/app/theme/_bootstrap.scss
+++ b/src/Squidex/app/theme/_bootstrap.scss
@@ -165,6 +165,7 @@ a {
         @include box-shadow(0, 3px, 16px, .2);
         border: 0;
         background: $panel-light-background;
+        z-index: 1200;
     }
 
     a {