Bug 878545: adjust scaling of toolbar items when dragged. r=jaws

browser/themes/shared/customizableui/customizeMode.inc.css

@@ -108,15 +108,22 @@
 }
 
 toolbarpaletteitem {
-  transition: transform, background-color, border-color, box-shadow, border-width;
-  transition-duration: 50ms, 10ms, 10ms, 10ms, 250ms;
-  transition-timing-function: ease-in-out, linear, linear, linear, ease-in-out;
+  transition: background-color, border-color, box-shadow, border-width;
+  transition-duration: 10ms, 10ms, 10ms, 250ms;
+  transition-timing-function: linear, linear, linear, ease-in-out;
 }
 
 toolbarpaletteitem[mousedown] {
   box-shadow: inset 0 0 3px hsl(204,100%,40%);
   cursor: -moz-grabbing;
   opacity: 0.8;
+}
+
+toolbarpaletteitem > toolbarbutton > .toolbarbutton-icon {
+  transition: transform 50ms ease-in-out;
+}
+
+toolbarpaletteitem[mousedown] > toolbarbutton > .toolbarbutton-icon {
   transform: scale(1.1);
 }