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

chrome/browser/resources/options2/search_engine_manager.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. */
 
 #search-engine-manager-page {
   max-width: 700px;
 }
 
 .search-engine-list > div {
   display: -webkit-box;
 }
 
 .search-engine-list .favicon {
+  height: 16px;
   padding: 1px 7px 0 7px;
-  height: 16px;
 }
 
 .search-engine-list .name-column {
   -webkit-box-align: center;
   -webkit-padding-end: 1ex;
   box-sizing: border-box;
   display: -webkit-box;
   width: 37%;
 }
 
@@ skipping 17 matching lines @@
   color: #666;
 }
 
 .search-engine-list .default .name-column,
 .search-engine-list .default .keyword-column {
   font-weight: bold;
 }
 
 /* For temporary Make Default button */
 .search-engine-list .url-column {
+  -webkit-box-align: center;
   display: -webkit-box;
-  -webkit-box-align: center;
 }
 
 .search-engine-list .url-column :first-child {
   -webkit-box-flex: 1;
 }
 
 .search-engine-list .url-column button {
   -webkit-margin-start: 3px;
   background: rgb(138, 170, 237);
   color: #fff;
   margin-top: 0;
 }
 
 .search-engine-list > :not(:hover):not([editing]) .url-column button {
   display: none;
 }
 
 /* End temporary Make Default button styling */