uber managed pref banners

chrome/browser/resources/uber/uber_shared.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. */
 
 body.uber-frame {
   -webkit-margin-start: 155px;
 }
 
 html[dir="rtl"] body.uber-frame {
   /* Enable vertical scrollbar at all times in RTL to avoid visual glitches when
    * showing sub-pages that vertically overflow. */
   overflow-y: scroll;
 }
 
 /* TODO(dbeam): Remove .page class from overlays in settings so the junk below
  * isn't necessary. */
 body.uber-frame #extension-settings.page,
 body.uber-frame #mainview-content .page,
 body.uber-frame .subpage-sheet-container .page,
 body.uber-frame > .page {
   padding-top: 55px;
 }
 
 body.uber-frame header {
   background: white;
   left: 155px;
-  min-width: 600px;
+  min-width: 700px;
   /* <section>s in options currently amount to 638px total, broken up into
    * 600px max-width + 18px -webkit-padding-start + 20px -webkit-margin-end
    * so we mirror this value here so the headers match width and horizontal
    * alignment when scrolling sideways. */
-  max-width: 638px;
+  max-width: 738px;
   position: fixed;
   right: 155px;
   top: 0;
   z-index: 2;
 }
 
-/* This is to make it appear that <headers> cover options <section> text when
- * vertically scrolling. Without it, some text is visible beside a <header>. */
-html[dir="ltr"] body.uber-frame header:after,
-html[dir="rtl"] body.uber-frame header:before {
-  background: white;
-  content: " ";
-  display: block;
-  height: 100%;
-  position: absolute;
-  width: 100px;
-}
-
-body.uber-frame header,
-body.uber-frame header > * {
-  -webkit-box-flex: 1;
-  display: -webkit-box;
-}
-
 body.uber-frame header > h1 {
   border-bottom: 1px solid #eee;
   margin: 0;
   padding: 21px 0 13px;
 }
 
 body.uber-frame footer {
   border-top: 1px solid #eee;
   margin-top: 16px;
   /* min-width and max-width should match the header */
   min-width: 600px;
   max-width: 638px;
   padding: 8px 0;
 }