Clarify settings UI in multi-profiles mode

chrome/browser/resources/options/settings_banner.css

 /* Copyright 2014 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. */
 
 /* These styles are used bby both reset_profile_settings_banner.html and
  * automatic_settings_reset_banner.html. */
 
 .settings-banner {
   background-color: #f5f5f5;
   border-color: #c8c8c8;
   border-radius: 3px;
   border-style: solid;
   border-width: 1px;
   margin-bottom: 24px;
   margin-top: 20px;
+  max-width: 716px;
   position: relative;
-  width: 716px;
 }
 
 .settings-banner > .close-button {
   background-image: url('chrome://theme/IDR_CLOSE_DIALOG');
   background-position: center;
   background-repeat: no-repeat;
   height: 14px;
   opacity: 0.5;
   position: absolute;
   right: 4px;
@@ skipping 43 matching lines @@
 }
 
 .settings-banner .nowrap  {
   white-space: nowrap;
 }
 
 .settings-banner button {
   margin-bottom: 1px;
   margin-right: 0;
 }
+
+#secondary-user-banner .content-area .badge {
+  background-color: rgb(210, 210, 212);
+  background-image: url(chrome://theme/IDR_SECONDARY_USER_SETTINGS);
+}