Changes to print preview layout.

chrome/browser/resources/print_preview/settings/copies_settings.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. */
 
 #copies-settings input.copies {
+  height: 29px;
   position: relative;
   width: 2.75em;
 }
 
+#copies-settings-box {
+  margin: 10px 0;
+}
+
 #copies-settings input.copies.invalid {
   background: rgb(255, 240, 240);
   color: rgb(140, 20, 20);
 }
 
 #copies-settings button.increment:focus,
 #copies-settings button.decrement:focus,
 #copies-settings:focus {
   z-index: 1;
 }
 
 #copies-settings .collate-container {
  -webkit-padding-start: 16px;
   display: inline-block;
 }
 
 #copies-settings button.increment,
 #copies-settings button.decrement {
   -webkit-padding-end: 0;
   -webkit-padding-start: 0;
   font-weight: 600;
+  height: 29px;
   margin: 0;
   min-width: 0;
   position: relative;
   width: 2em;
 }
 
 #copies-settings button.increment {
   -webkit-margin-start: -5px;
   border-radius: 0;
 }
 
 #copies-settings button.decrement {
   -webkit-margin-start: -5px;
   border-bottom-left-radius: 0;
   border-bottom-right-radius: 3px;
   border-top-left-radius: 0;
   border-top-right-radius: 3px;
 }
 
 html[dir='rtl'] #copies-settings button.decrement {
   border-bottom-left-radius: 3px;
   border-bottom-right-radius: 0;
   border-top-left-radius: 3px;
   border-top-right-radius: 0;
 }