diff -r 000000000000 -r 6474c204b198 toolkit/themes/osx/global/viewbuttons.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/themes/osx/global/viewbuttons.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* 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/. */
+
+%include shared.inc
+
+#topBar {
+  -moz-appearance: toolbar;
+}
+
+.viewGroupWrapper {
+  -moz-box-align: center;
+  -moz-box-pack: center;
+}
+
+#viewGroup {
+  margin: 4px 0 9px;
+}
+
+#viewGroup > radio,
+#viewGroup > toolbarbutton {
+  -moz-box-orient: vertical;
+  -moz-box-align: center;
+  -moz-appearance: toolbarbutton;
+  font: menu;
+  text-shadow: @loweredShadow@;
+  margin: 0;
+  padding: 0 1px;
+  height: 22px;
+}
+
+#viewGroup > radio[selected=true],
+#viewGroup > toolbarbutton[checked=true] {
+  color: #FFF !important;
+  text-shadow: rgba(0, 0, 0, 0.4) 0 1px;
+}