Move learn more link to the main section in security interstitials

components/security_interstitials/core/browser/resources/interstitial_v2.css

 /* Copyright 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. */
 
 a {
   color: #585858;
 }
 
 .bad-clock .icon {
   background-image: -webkit-image-set(
@@ skipping 79 matching lines @@
   text-transform: uppercase;
 }
 
 #details-button:hover {
   box-shadow: inherit;
   text-decoration: underline;
 }
 
 .error-code {
   color: #646464;
-  display: inline;
   font-size: .86667em;
-  margin-top: 15px;
-  opacity: 1;
   text-transform: uppercase;
 }
 
 #error-debugging-info {
   font-size: 0.8em;
 }
 
 h1 {
   color: #333;
   font-size: 1.6em;
@@ skipping 527 matching lines @@
     width: 100%;
   }
 }
 
 @media (max-width: 239px) and (orientation: portrait) {
   .nav-wrapper {
     padding-left: 0;
     padding-right: 0;
   }
 }