[PDF viewer] Align page N of M input field

chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css

 /* Copyright 2015 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 {
   color: #fff;
   font-size: 94.4%;
 }
 
 :host ::selection {
   background: rgba(255, 255, 255, 0.3);
 }
 
 #pageselector {
   --paper-input-container-underline: {
     visibility: hidden;
   };
   --paper-input-container-underline-focus: {
     visibility: hidden;
   };
   display: inline-block;
   padding: 0;
   width: 1ch;
 }
 
 #input {
+  --paper-input-container-input: {

[tsergeant, 2016/09/26 00:06:19]

#input is the <input>, #pageselector is the <paper-input-container>, so the
mixin belongs in the block above rather than here.

You could also get rid of the mixin and do `vertical-align: baseline` in this
block directly, which would simplify things a bit.

[dschuyler, 2016/09/27 20:45:22]

Done.

+    vertical-align: baseline;
+  };
   -webkit-margin-start: -3px;
   color: #fff;
   line-height: 18px;
   padding: 3px;
   text-align: end;
 }
 
 #input:focus,
 #input:hover {
   background-color: rgba(0, 0, 0, 0.5);
   border-radius: 2px;
 }
 
 #slash {
   padding: 0 3px;
 }
 
 #pagelength-spacer {
   display: inline-block;
   text-align: start;
 }
 
 #slash,
 #pagelength {
   font-size: 76.5%;
 }