Separate Settings and Help from History and Extensions when settings-in-

chrome/browser/resources/uber/uber_frame.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 {
   overflow: hidden;
   padding-top: 20px;
 }
 
 html.changing-content body {
@@ skipping 23 matching lines @@
 li:hover {
   color: #777;
 }
 
 li.selected {
   -webkit-border-start-color: rgb(78, 87, 100);
   cursor: default;
   pointer-events: none;
 }
 
-#helpNavItem {
+/* Separates the Help nav item if there are at least 3 items. */
+li:not([hidden]) ~ li:not([hidden]) ~ #helpNavItem {
   margin-top: 27px;
 }
 
 button {
   background-color: white;
   border: 0;
   color: #999;
   cursor: pointer;
   font: inherit;
   line-height: 1.417em;  /* 17px based on default 12px font size. */
   margin: 6px 0;
   padding: 0;
 }
 
 .selected > button {
   color: rgb(70, 78, 90);
 }