Fix some chrome://settings paddings

ui/webui/resources/css/widgets.css

 /* Copyright (c) 2012 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. */
 
 /* This file defines styles for form controls. The order of rule blocks is
  * important as there are some rules with equal specificity that rely on order
  * as a tiebreaker. These are marked with OVERRIDE. */
 
 /* Default state **************************************************************/
 
@@ skipping 62 matching lines @@
 </if>
   height: 13px;
   position: relative;
   vertical-align: middle;
   width: 13px;
 }
 
 input[type='radio'] {
   /* OVERRIDE */
   border-radius: 100%;
-  bottom: 3px;
+  bottom: 1px;

[Evan Stade, 2014/09/18 00:58:45]

we actually checked this on every single desktop platform

   height: 15px;
   position: relative;
   vertical-align: middle;
   width: 15px;
 }
 
 /* TODO(estade): add more types here? */
 input[type='number'],
 input[type='password'],
 input[type='search'],
@@ skipping 212 matching lines @@
   display: block;
 }
 
 :-webkit-any(.checkbox, .radio) label:hover {
   color: black;
 }
 
 label > input:disabled:-webkit-any([type='checkbox'], [type='radio']) ~ span {
   color: #999;
 }