diff -r 000000000000 -r 6474c204b198 browser/themes/shared/devtools/commandline.inc.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/themes/shared/devtools/commandline.inc.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,172 @@
+%if 0
+/* 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/. */
+%endif
+
+/* Developer toolbar */
+
+#developer-toolbar {
+  -moz-appearance: none;
+  padding: 0;
+  min-height: 32px;
+  background-image: url(devtools/background-noise-toolbar.png), linear-gradient(#303840, #2d3640);
+  border-top: 1px solid #060a0d;
+  box-shadow: 0 1px 0 hsla(204,45%,98%,.05) inset, 0 -1px 0 hsla(206,37%,4%,.1) inset;
+}
+
+#developer-toolbar > toolbarbutton {
+  -moz-appearance: none;
+  border: none;
+  background: transparent;
+  margin: 0;
+  padding: 0 10px;
+  width: 32px;
+}
+
+.developer-toolbar-button > image {
+  margin: auto 10px;
+}
+
+#developer-toolbar-toolbox-button {
+  list-style-image: url("chrome://browser/skin/devtools/toggle-tools.png");
+  -moz-image-region: rect(0px, 16px, 16px, 0px);
+}
+
+#developer-toolbar-toolbox-button > label {
+  display: none;
+}
+
+#developer-toolbar-toolbox-button:hover {
+  -moz-image-region: rect(0px, 32px, 16px, 16px);
+}
+
+#developer-toolbar-toolbox-button:hover:active {
+  -moz-image-region: rect(0px, 48px, 16px, 32px);
+}
+
+#developer-toolbar-toolbox-button[checked=true] {
+  -moz-image-region: rect(0px, 64px, 16px, 48px);
+}
+
+#developer-toolbar-closebutton {
+  list-style-image: url("chrome://browser/skin/devtools/close.png");
+  -moz-appearance: none;
+  border: none;
+  margin: 0 4px;
+  min-width: 16px;
+  width: 16px;
+  opacity: 0.6;
+}
+
+#developer-toolbar-closebutton > .toolbarbutton-icon {
+  /* XXX Buttons have padding in widget/ that we don't want here but can't override with good CSS, so we must
+     use evil CSS to give the impression of smaller content */
+  margin: -4px;
+}
+
+#developer-toolbar-closebutton > .toolbarbutton-text {
+  display: none;
+}
+
+#developer-toolbar-closebutton:hover {
+  opacity: 0.8;
+}
+
+#developer-toolbar-closebutton:hover:active {
+  opacity: 1;
+}
+
+/* GCLI */
+
+html|*#gcli-tooltip-frame,
+html|*#gcli-output-frame {
+  padding: 0;
+  border-width: 0;
+  background-color: transparent;
+}
+
+#gcli-output,
+#gcli-tooltip {
+  border-width: 0;
+  background-color: transparent;
+  -moz-appearance: none;
+}
+
+.gclitoolbar-input-node,
+.gclitoolbar-complete-node {
+  margin: 0;
+  -moz-box-align: center;
+  padding-top: 0;
+  padding-bottom: 0;
+  padding-right: 8px;
+  text-shadow: none;
+  box-shadow: none;
+  border-width: 0;
+  background-color: transparent;
+}
+
+.gclitoolbar-input-node {
+  -moz-appearance: none;
+  color: hsl(210,30%,85%);
+  padding-left: 20px;
+  background-color: #242b33;
+  background-repeat: no-repeat;
+  background-position: 4px center;
+  box-shadow: 0 1px 1px hsla(206,37%,4%,.2) inset,
+              1px 0 0 hsla(206,37%,4%,.2) inset,
+              -1px 0 0 hsla(206,37%,4%,.2) inset;
+  line-height: 32px;
+  outline-style: none;
+  background-image: -moz-image-rect(url("chrome://browser/skin/devtools/commandline-icon.png"), 0, 16, 16, 0);
+}
+
+.gclitoolbar-input-node[focused="true"] {
+  background-image: -moz-image-rect(url("chrome://browser/skin/devtools/commandline-icon.png"), 0, 32, 16, 16);
+  background-color: #232e38;
+}
+
+.gclitoolbar-input-node > .textbox-input-box > html|*.textbox-input::-moz-selection {
+  background-color: hsl(210,30%,85%);
+  color: hsl(210,24%,16%);
+  text-shadow: none;
+}
+
+.gclitoolbar-complete-node {
+  padding-left: 21px;
+  background-color: transparent;
+  color: transparent;
+  z-index: 100;
+  pointer-events: none;
+}
+
+.gcli-in-incomplete,
+.gcli-in-error,
+.gcli-in-ontab,
+.gcli-in-todo,
+.gcli-in-closebrace,
+.gcli-in-param,
+.gcli-in-valid {
+  margin: 0;
+  padding: 0;
+}
+
+.gcli-in-incomplete {
+  border-bottom: 2px dotted #999;
+}
+
+.gcli-in-error {
+  border-bottom: 2px dotted #F00;
+}
+
+.gcli-in-ontab {
+  color: hsl(210,0%,35%);
+}
+
+.gcli-in-todo {
+  color: hsl(210,50%,35%);
+}
+
+.gcli-in-closebrace {
+  color: hsl(0,0%,80%);
+}