diff -r 000000000000 -r 6474c204b198 browser/themes/osx/syncQuota.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/themes/osx/syncQuota.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* 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/. */
+
+#quotaDialog {
+  width: 33em;
+  height: 25em;
+}
+
+treechildren::-moz-tree-checkbox {
+  list-style-image: none;
+}
+treechildren::-moz-tree-checkbox(checked) {
+  list-style-image: url("chrome://global/skin/checkbox/cbox-check.gif");
+}
+treechildren::-moz-tree-checkbox(disabled) {
+  list-style-image: url("chrome://global/skin/checkbox/cbox-check-dis.gif");
+}
+
+#treeCaption {
+  height: 4em;
+}
+
+.captionWarning {
+  font-weight: bold;
+}