[WebUI] Fix all CSS nits in chrome/browser/resources/chromeos.

chrome/browser/resources/chromeos/mobile_dialogs.css

Index: chrome/browser/resources/chromeos/mobile_dialogs.css
diff --git a/chrome/browser/resources/chromeos/mobile_dialogs.css b/chrome/browser/resources/chromeos/mobile_dialogs.css
index 92916a900ebb284b16b6997a6156250d3a7db91a..9c96e68feff9c4a7917101abb007294ee39e3808 100644
--- a/chrome/browser/resources/chromeos/mobile_dialogs.css
+++ b/chrome/browser/resources/chromeos/mobile_dialogs.css
@@ -1,3 +1,8 @@
+/* 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 {
   cursor: default;
   font-size: 13px;
@@ -6,10 +11,10 @@ body {
 .container {
   -webkit-box-align: center;
   -webkit-box-pack: center;
+  bottom: 0;
   display: -webkit-box;
-  position: fixed;
   left: 0;
-  bottom: 0;
+  position: fixed;
   right: 0;
   top: 0;
 }
@@ -25,7 +30,7 @@ body {
 .dialog h1 {
   background: -webkit-linear-gradient(white, #F8F8F8);
   border-bottom: 1px solid rgba(188, 193, 208, .5);
-  color: #53637d;
+  color: rgb(83, 99, 125);
   font-size: 105%;
   font-weight: bold;
   margin: 0;