[Clean up] Fix style guide nits in chrome/browser/resources/options2.

chrome/browser/resources/options2/chromeos/bluetooth.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. */
 
 .bluetooth-device-list {
   margin: 10px;
   padding: 5px 10px;
 }
 
 .bluetooth-device[paired] {
@@ skipping 114 matching lines @@
   font-size: 20px;
   font-weight: 600; /* semibold */
   padding-bottom: 5px;
 }
 
 .bluetooth-passkey-char:first-child {
   -webkit-margin-start: 0;
 }
 
 .bluetooth-keyboard-button.key-typed {
-  color: #222;
   border: 1px solid #ccc;
   box-shadow: 0 0 0 1px #888,
               inset 0 1px 1px 1px #fff,
               inset 0 -1px 1px 1px #eee;
+  color: #222;
 }