diff -r 000000000000 -r 6474c204b198 browser/branding/nightly/content/aboutDialog.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/branding/nightly/content/aboutDialog.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* 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/. */
+
+#aboutDialogContainer {
+  background-image: url("chrome://branding/content/about-background.png");
+  background-repeat: no-repeat;
+  background-color: rgb(10,17,37);
+  color: #fff;
+}
+
+.text-link {
+  color: #fff !important;
+  text-decoration: underline;
+}
+
+.text-link:-moz-focusring {
+  border-color: #fff;
+}
+
+#rightBox {
+  /* this margin prevents text from overlapping the planet image */
+  margin-left: 280px;
+  margin-right: 20px;
+}
+
+#bottomBox {
+  background-color: rgba(0,0,0,.7);
+}