diff -r 000000000000 -r 6474c204b198 toolkit/themes/osx/global/menulist.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/themes/osx/global/menulist.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,96 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+@namespace html url("http://www.w3.org/1999/xhtml");
+
+menulist {
+  -moz-appearance: menulist;
+  margin: 5px 2px 3px;
+  min-height: 20px !important;
+  color: -moz-DialogText;
+  text-shadow: none;
+}
+
+.menulist-label-box {
+  -moz-appearance: menulist-text;
+  -moz-box-align: center;
+  -moz-box-pack: center;
+  margin-bottom: 1px;
+}
+
+.menulist-label {
+  margin: 1px 3px !important;
+}
+
+.menulist-description {
+  font-style: italic;
+  color: GrayText;
+  -moz-margin-start: 1ex !important;
+}
+
+/* ..... dropmarker ..... */
+
+.menulist-dropmarker {
+  display: none;
+}
+
+/* ..... disabled state ..... */
+
+menulist[disabled="true"] {
+  color: GrayText;
+}
+
+menulist[disabled="true"] > .menulist-dropmarker {
+  -moz-padding-start: 7px !important;
+}
+
+/* ::::: editable menulists ::::: */
+
+menulist[editable="true"] {
+  -moz-appearance: menulist-textfield;
+  margin: 4px 2px;
+}
+
+html|*.menulist-editable-input {
+  margin: 0px !important;
+  border: none !important;
+  padding: 0px !important;
+  background: inherit;
+  font: inherit;
+}
+
+/* ::::: compact menulists ::::: */
+
+.menulist-compact {
+  -moz-box-align: center;
+  -moz-box-pack: center;
+  margin: 0;
+  border: 2px solid;
+  -moz-border-top-colors: ThreeDLightShadow ThreeDHighlight;
+  -moz-border-right-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-left-colors: ThreeDLightShadow ThreeDHighlight;
+  background-color: -moz-Dialog;
+}
+
+.menulist-compact > .menulist-label {
+  margin: 0 3px !important;
+  text-align: end;
+}  
+
+.menulist-compact > .menulist-dropmarker {
+  -moz-margin-start: 2px;
+  border: none;
+  padding: 0 !important;
+  background: transparent;
+}
+
+.menulist-compact[open="true"] {
+  -moz-border-top-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-right-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-bottom-colors: ThreeDDarkShadow ThreeDShadow;
+  -moz-border-left-colors: ThreeDDarkShadow ThreeDShadow;
+  background-color: ThreeDShadow;
+}