Run PRESUBMIT checks over existing files in html-office-public

elements/viewer-toolbar/viewer-toolbar.css

 /* Copyright 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. */
 
 :host {
-  -webkit-transition: opacity 0.4s ease-in-out;
+  -webkit-transition: opacity 400ms ease-in-out;
   bottom: 0;
   display: block;
   font-size: 0;
   opacity: 1;
+  padding: 30px 30px 15px 30vw;
   position: fixed;
   right: 0;
-  padding: 30px 30px 15px 30vw;
 }
 
 #toolbar {
   border-radius: 3px;
   box-shadow: 0 1px 2px gray, 0 3px 3px rgba(0, 0, 0, .2);
   overflow: hidden;
 }