DevTools: Focus background in Toolbars

third_party/WebKit/Source/devtools/front_end/ui/toolbar.css

 /*
  * Copyright (c) 2014 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 :host {
     flex: none;
     padding: 0 2px;
 }
@@ skipping 186 matching lines @@
 }
 
 select.toolbar-item {
     min-width: 38px;
     -webkit-appearance: none;
     border: 0;
     border-radius: 0;
     padding: 0 13px 0 5px;
     margin-right: -10px;
     position: relative;
+    height: 22px;
+    margin-top: 2px;
+    margin-bottom:2px;
+}
+
+select.toolbar-item[data-keyboard-focus="true"]:focus {
+    background: rgba(0,0,0,.08);
+    border-radius: 2px;
 }
 
 /* Input */
 
 .toolbar-input {
     width: 120px;
     height: 20px;
     padding: 3px;
     margin: 1px 3px;
     background-color: white;
@@ skipping 45 matching lines @@
     position: absolute;
     background-color: #5a5a5a;
     top: 0;
     left:  0;
 }
 
 .toolbar-button.emulate-active {
     background-color: rgb(163, 163, 163);
 }
 
+.toolbar-button[data-keyboard-focus="true"]:focus::after {
+    position:absolute;
+    top: 2px;
+    bottom: 2px;
+    left: 2px;
+    right: 2px;
+    background-color: rgba(0, 0, 0, 0.08);
+    border-radius: 2px;
+    content: "";
+}
+
+:host-context(.keyboard-focus) .focused:not(.toolbar-input)::after{

[pfeldman, 2017/03/29 21:54:20]

I don't think you are being entirely honest with us.

+    left: 0px;
+    right: -2px;
+}
+
 .toolbar-shadow.floating {
     flex-direction: column;
     height: auto;
     background-color: white;
     border: 1px solid #ccc;
     margin-top: -1px;
     width: 28px;
     left: -2px;
 }
 
 span.toolbar-select-container.toolbar-item.warning {
     background: #ffd7d7;
     padding: 0 5px 0 0;
     margin-right: 1px;
 }