[WebUI] Fix rest of CSS style nits in misc. dirs so I can turn on CSS checker.

chrome/browser/resources/print_preview/print_preview.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.
- */
+ * found in the LICENSE file. */
 
 html {
   height: 100%;
 }
 
 body {
   height: 100%;
   margin: 0;
   overflow: hidden;
 }
@@ skipping 430 matching lines @@
 }
 
 #intentionally-blank {
   color: black;
   display: inline-block;
   font-style: italic;
   padding: 0 10px;
   text-align: center;
   text-decoration: none;
 }