Ticket #30664: 30664.patch

src/wp-includes/css/editor.css

@@ -166 +166 @@
         box-sizing: border-box;
         margin-bottom: 8px;
         position: absolute;
-        opacity: 0;
         -moz-user-select: none;
         -webkit-user-select: none;
         -ms-user-select: none;
@@ -183 +182 @@
         margin-top: 8px;
 }
 
-div.mce-inline-toolbar-grp.mce-inline-toolbar-grp-active {
-        -webkit-transition:
-                top 0.1s ease-out,
-                left 0.1s ease-out,
-                opacity 0.1s ease-in-out;
-        transition:
-                top 0.1s ease-out,
-                left 0.1s ease-out,
-                opacity 0.1s ease-in-out;
-        opacity: 1;
-}
-
 div.mce-inline-toolbar-grp:before,
 div.mce-inline-toolbar-grp:after {
         position: absolute;