DevTools: [network] Show request Start time in timing table

third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.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.
  */
 
 * {
     /* This is required for correct sizing of flex items because we rely
      * on an old version of the flexbox spec.
      * Longer-term we should remove this, see crbug.com/473625 */
@@ skipping 25 matching lines @@
     font-family: dejavu sans mono, monospace;
 }
 
 .source-code {
     font-family: monospace;
     font-size: 11px !important;
     white-space: pre-wrap;
 }
 
 * {
-    box-sizing: border-box;
+    box-sizing: content-box;
 }
 
 :focus {
     outline: none;
 }
 
 img {
     -webkit-user-drag: none;
 }
 
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 }
 
 body.inactive select.chrome-select,
 .chrome-select:disabled {
     background-image: -webkit-image-set(url(Images/chromeDisabledSelect.png) 1x, url(Images/chromeDisabledSelect_2x.png) 2x), linear-gradient(#f1f1f1, #f1f1f1 38%, #e6e6e6);
     border-color: rgba(80, 80, 80, 0.2);
     box-shadow: 0 1px 0 rgba(80, 80, 80, 0.08),
     inset 0 1px 2px rgba(255, 255, 255, 0.75);
     color: #aaa;
 }