DevTools: normalize medium icons

third_party/WebKit/Source/devtools/front_end/elements/computedStyleSidebarPane.css

 /*
  * Copyright (c) 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.
  */
 
 .computed-properties {
     -webkit-user-select: text;
     flex-shrink: 0;
 }
@@ skipping 22 matching lines @@
     flex-grow: 10;
 }
 
 .computed-style-property .property-value-text {
     overflow: hidden;
     text-overflow: ellipsis;
 }
 
 .tree-outline li:hover .goto-source-icon {
     display: block;
+    margin-top: -2px;
 }
 
 .goto-source-icon {
     background-color: #5a5a5a;
     display: none;
     position: absolute;
     left: -16px;
 }
 
 .goto-source-icon:hover {
@@ skipping 57 matching lines @@
     margin-left: 4px;
 }
 
 .delimeter {
     color: transparent;
 }
 
 .delimeter::selection {
     color: transparent;
 }