Some RTL fixes for tabbed options.

chrome/browser/resources/options/content_settings.css

 /*
 Copyright (c) 2010 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.
 */
 
 .exceptionPattern {
+  -webkit-box-flex: 1;
+  -webkit-margin-end: 10px;
+  -webkit-margin-start: 14px;
   display: -webkit-box;
   margin-right: 4px;
   overflow: hidden;
-  -webkit-box-flex: 1;
   white-space: nowrap;
 }
 
 .exceptionSetting {
+  -webkit-margin-end: 20px;
   display: inline-block;
   width: 100px;
-  margin-right: 20px;
 }
 
 select.exceptionSetting {
   vertical-align: middle;
 }
 
 /* Hacks to make the <select> align better with the <input>. */
 html[toolkit=gtk] select.exceptionSetting {
   height: 22px;
   margin-top: 1px;
 }
 
 #exceptionColumnHeaders {
+  -webkit-margin-start: 17px;
   display: -webkit-box;
   margin-top: 17px;
-  -webkit-margin-start: 3px;
 }
 
 #exceptionColumnHeaders > div {
   font-weight: bold;
 }
 
 #exceptionPatternColumn {
   -webkit-box-flex: 1;
 }
 
 #exceptionBehaviorColumn {
   width: 140px;
 }
 
-.otr_explanation {
+.otrExplanation {

[James Hawkins, 2010/12/23 00:40:45]

nit: Class style is the same as ID style = class-name

[Evan Stade, 2010/12/23 00:48:21]

arv suggested this change:
http://codereview.chromium.org/6059006/diff/1/chrome/browser/resources/option...

granted, there doesn't seem to be much consistency in this regard.

   font-style: italic;
 }
 
 #contentSettingsExceptionsArea list {
   margin-bottom: 10px;
   margin-top: 4px;
 }