Enable toggling of new accessibility modes in chrome://accessibility

content/browser/resources/accessibility/accessibility.css

 /*
  * Copyright (c) 2013 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.
  */
 
 body {
   font-family: Arial, sans-serif;
   font-size: 12px;
-  margin: 10px;
+  margin: 10px 20px;
   min-width: 47em;
   padding-bottom: 65px;
 }
 
 img {
   float: left;
   height: 16px;
   padding-right: 5px;
   width: 16px;
 }
 
 .row {
   border-bottom: 1px solid #A0A0A0;
   padding: 5px;
 }
 
 .url {
   color: #A0A0A0;
 }
 
+p {
+  line-height: 1.2em;
+}
+
+.columns {
+  display: flex;
+}
+
+.column {
+  flex-basis: 50%;
+}
+
+.checkbox_row {
+  display: flex;
+  align-items: center;
+}
+
+.checkbox_wrapper {
+  width: 32px;
+  margin: 0 0 2px 0;
+  padding: 0;
+  flex-grow: 0;
+}
+
+.secondary {
+  margin: 0 0 12px 32px;
+  color: #696969;
+}
+
+label {
+  margin: 0 0 2px 0;
+  padding: 0;
+  flex-grow: 1;
+}
+
+label.disabled {
+  color: #696969;
+}
+
+label input[type="checkbox"] {
+  margin-right: 6px;
+}