Import supervised user dialog

chrome/browser/resources/md_user_manager/create_profile.css

 /* Copyright 2016 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. */
 
 .container {
   color: var(--paper-grey-800);
   margin: 0 auto;
   width: 624px;
 }
 
 #message-container {
   background-color: var(--google-red-700);
   color: white;
   left: 0;
   overflow: hidden;
   padding: 10px 16px;
   position: absolute;
   right: 0;
   top: 0;
 }
 
 #message-container iron-icon {
-  height: 20px;
-  width: 20px;
+  --iron-icon-height: 20px;
+  --iron-icon-width: 20px;
 }
 
 #message-container #message {
   -webkit-margin-start: 16px;
 }
 
 #message-container #supervised-user-import-existing {
   color: inherit;
   text-decoration: underline;
 }
@@ skipping 75 matching lines @@
 
 #supervised-user-container #learn-more-accounts {
   -webkit-margin-start: 36px;
 }
 
 #supervised-user-container #learn-more {
   display: block;
   line-height: 20px;
 }
 
+#supervised-user-container #import-user {
+  -webkit-margin-start: 16px;
+}
+
 #actions {
   bottom: 16px;
   display: flex;
   position: absolute;
   right: 16px;
 }
 
 :host-context([dir='rtl']) #actions {
   left: 16px;
   right: auto;
@@ skipping 20 matching lines @@
 
 #actions #save {
   -webkit-margin-start: 8px;
   background: var(--google-blue-500);
   color: white;
 }
 
 #actions #save[disabled] {
   background: rgba(66, 133, 244, .5);
 }