DevTools: fix release note styles

third_party/WebKit/Source/devtools/front_end/help/releaseNote.css

 /*
  * Copyright 2017 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.
  */
 
 .release-note-container {
     display: flex;
     flex-direction: column;
     overflow: hidden;
@@ skipping 17 matching lines @@
 }
 
 .release-note-action-container {
     padding: 12px;
     min-height: 48px;
 }
 
 .release-note-highlight-container {
     line-height: 1.5;
     -webkit-padding-start: 16px;
+    -webkit-margin-after: 0;
 }
 
 .release-note-link, .release-note-featured-link {
     color: #039be5;
     text-decoration: none;
 }
 
 .release-note-link:hover,
 .release-note-featured-link:hover,
 .image-hover .release-note-featured-link {
     text-decoration: underline;
 }
 
 .release-note-image {
     width: 200px;
+    margin-left: 12px;
+    border: 1px solid lightgrey;
 }
 
 .close-release-note {
     margin-left: 4px;
 }