Add Firefox userChrome.css

.mozilla/firefox/rick.profile/chrome/userChrome.css

@@ -0,0 +1,41 @@
+/* Hide Firefox top tab bar */
+#TabsToolbar {
+	visibility: hidden !important;
+}
+
+/*  Move navigation bar up to fill tab bar space */
+#nav-bar {
+	border-width: 1px !important;
+	border-style: solid !important;
+	border-color: transparent !important;
+
+	margin-bottom: -1px !important;
+	margin-top: -29px !important;
+	margin-right: 0px !important;
+	margin-left: 0px !important;
+}
+
+/* Navigation bar color */
+#nav-bar {
+	background: #2b2e39 !important;
+}
+
+/* Url bar color */
+#urlbar {
+	background: #404552 !important;
+}
+
+/* Url bar autocomplete menu color*/
+#PopupAutoCompleteRichResult {
+	background: #2b2e39 !important;
+}
+
+/* Hide TreeStyleTab header */
+#sidebar-header {
+	display: none;
+}
+
+/* Hide TreeStyleTab splitter */
+#sidebar-splitter {
+	display: none;
+}