Replace application/basilisk with browser/

browser/branding/unofficial/content/aboutDialog.css

@@ -0,0 +1,34 @@
+/* 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-position: center top;
+  background-color: rgb(10,17,37);
+  color: #fff;
+}
+
+#clientBox {
+  -moz-box-pack: center;
+}
+
+#leftBox {
+  visibility: collapse;
+}
+
+.text-link {
+  color: #fff !important;
+  text-decoration: underline;
+}
+
+#rightBox {
+  -moz-box-flex: 1 !important;
+  margin-left: 0;
+  margin-right: 0;
+}
+
+#bottomBox {
+  background-color: rgba(0,0,0,.7);
+}