Elim cr_button from md-settings

chrome/browser/resources/settings/internet_page/internet_detail_page.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. */
 
 #titleDiv {
   margin-bottom: 10px;
 }
 
 #outerDiv {
   margin: 0 40px;
@@ skipping 29 matching lines @@
 
 #infoDiv span {
   margin-bottom: 8px;
 }
 
 #preferButton {
   margin: 0 7px 8px -2px;
   padding: 0
 }
 
-#advancedDiv cr-button {
+#advancedDiv paper-button {
   --paper-button: {
     text-align: start;
   };
 }
 
 #proxyDiv {
   max-width: 500px;
 }
 
 paper-checkbox {
   margin-bottom: 10px;
 }
 
 cr-collapse {
   margin: 10px;
 }