Update the background color for the Safe Browsing interstitial

chrome/browser/resources/ssl/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;
 }
 
 body {
-  background: rgb(247, 247, 247);
+  background-color: #f7f7f7;
   color: #585858;
   font-size: 125%;
 }
 
 body.safe-browsing {
-  background: rgb(217, 69, 61);
-  color: rgb(255, 255, 255);
+  background-color: rgb(206, 52, 38);
+  color: white;
 }
 
 button {
   background: rgb(76, 142, 250);
   border: 0;
   border-radius: 2px;
   box-sizing: border-box;
   color: #fff;
   cursor: pointer;
   float: right;
   font-size: .875em;
   height: 36px;
   margin: -6px 0 0;
+  outline: 0;
   padding: 8px 24px;
   transition: box-shadow 200ms cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 [dir='rtl'] button {
   float: left;
 }
 
 button:active {
   background: rgb(50, 102, 213);
@@ skipping 60 matching lines @@
 
 .small-link {
   color: #696969;
   font-size: .875em;
 }
 
 .safe-browsing a,
 .safe-browsing #details,
 .safe-browsing #details-button,
 .safe-browsing h1 {
-  color: rgb(255, 255, 255);
+  color: white;
 }
 
 .safe-browsing button {
-  background: rgba(255, 255, 255, 0.15);
+  background-color: rgb(206, 52, 38);
+  border: 1px solid white;
+}
+
+.safe-browsing button:active {
+  background-color: rgb(206, 52, 38);
+  border-color: rgba(255, 255, 255, .6);
+}
+
+.safe-browsing button:hover {
+  box-shadow: 0 2px 3px rgba(0, 0, 0, .5);
 }
 
 .safe-browsing .icon {
   background-image: -webkit-image-set(
       url('../safe_browsing/images/1x/stop_sign.png') 1x,
       url('../safe_browsing/images/2x/stop_sign.png') 2x);
 }
 
 .ssl .icon {
   background-image: -webkit-image-set(
@@ skipping 37 matching lines @@
   }
 
   .interstitial-wrapper {
     padding: 0 5%;
   }
 
   .nav-wrapper {
     margin-top: 30px;
   }
 }