[DevTools] More Device Mode polish.

third_party/WebKit/Source/devtools/front_end/emulation/deviceModeView.css

 /*
  * Copyright 2015 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 {
     overflow: hidden;
     align-items: stretch;
     flex: auto;
@@ skipping 10 matching lines @@
     padding: 0 4px;
 }
 
 .device-mode-toolbar .toolbar {
     padding: 0;
     overflow: hidden;
     flex: auto;
 }
 
 .device-mode-toolbar-left {
-    flex: 0 1000 115px;
+    flex: 0 1000 155px;
     min-width: 93px;
 }
 
 .device-mode-toolbar-right {
-    flex: 0 1000 115px;
+    flex: 0 1000 155px;
     min-width: 40px;
     display: flex;
 }
 
 .device-mode-toolbar-middle-container {
     flex: 1 1 160px;
     position: relative;
 }
 
 .device-mode-toolbar-middle {
@@ skipping 175 matching lines @@
 .device-mode-ruler-top .device-mode-ruler-text {
     left: 2px;
     top: -2px;
 }
 
 .device-mode-ruler-left .device-mode-ruler-text {
     left: -4px;
     top: -15px;
     transform: rotate(270deg);
 }