diff --git a/src/gridstack.scss b/src/gridstack.scss
index 43692bfb6..57397bd7e 100644
--- a/src/gridstack.scss
+++ b/src/gridstack.scss
@@ -50,7 +50,6 @@ $animation_speed: .3s !default;
             right: $horizontal_padding / 2;
             bottom: 0;
             width: auto;
-            z-index: 0;
             overflow-x: hidden;
             overflow-y: auto;
         }