Merge pull request #984 from adumesny/develop

removed item-content z-index

Author: radiolips

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;
         }