--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -1264,16 +1264,21 @@ toolbarpaletteitem[place="palette"] {
   vertical-align: top;
 }
 
 toolbarpaletteitem:not([place="palette"]) > .toolbarpaletteitem-label,
 toolbarpaletteitem[place="palette"][hidden] {
   display: none;
 }
 
+.toolbarpaletteitem-box {
+  /* Prevent children from getting events */
+  pointer-events: none;
+}
+
 toolbarpaletteitem[place="palette"] > .toolbarpaletteitem-box {
   -moz-box-pack: center;
   width: 7em;
   max-width: 7em;
 }
 
 toolbarpaletteitem:not([place="palette"]) > .toolbarpaletteitem-box {
   -moz-box-flex: 1;

--- a/toolkit/themes/linux/global/toolbar.css
+++ b/toolkit/themes/linux/global/toolbar.css
@@ -41,21 +41,16 @@ toolbarseparator {
 toolbarspacer {
   width: 15px;
 }
 
 toolbarpaletteitem {
   cursor: grab;
 }
 
-.toolbarpaletteitem-box {
-  /* Prevent children from getting events */
-  pointer-events: none;
-}
-
 /* ..... drag and drop feedback ..... */
 
 toolbarpaletteitem[place="toolbar"] {
   margin-left: -2px;
   margin-right: -2px;
   border-left: 2px solid transparent;
   border-right: 2px solid transparent;
 }