Make changes to the NaCl demos in prep for integrating them into developer.chrome.com:

native_client_sdk/src/gonacl_appengine/static/css/out/site.css

 /* Copyright (c) 2013 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. */
 
 * {
   box-sizing: border-box;
   -webkit-font-smoothing:antialiased;
 }
 
 html, body {
   margin: 0;
   padding: 0;
   width: 100%;
   height: 100%;
   background: #FAFAFA;
   font-family: 'Myriad Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
   line-height: 1.35;
-  color: #444;
+  color: #666;
 }
 
 body {
   display: flex;
   flex-direction: row;
 }
 
 nav {
   width: 230px;
   background: #F3F3F3;
@@ skipping 152 matching lines @@
 
 .demo header {
   flex: 0 1 auto;
   padding: 15px 25px;
 }
 
 .demo header h1 {
   margin: 0;
   font-family: 'Open Sans';
   font-weight: 300;
-  color: #666;
+  color: #000;
   font-size: 62px;
   letter-spacing: -0.05em;
 }
 
 .demo p {
   margin: 0 0 1em 0;
   font-size: 17px;
 }
 
 .demo ul {
@@ skipping 25 matching lines @@
   border: 1px solid #DFDFDF;
   position: relative;
   padding: 10px;
 }
 
 .demo div.Demo-content embed {
   flex: 1 1 auto;
 }
 
 .demo p {
-  font-size: 20px;
+  font-size: 16px;
 }
 
 .demo a {
   color: #00A3D9;
 }
 
 .demo p.note {
   color: #666;
   font-style: italic;
   font-size: 14px;
@@ skipping 26 matching lines @@
 
 .demo td.name {
   font-weight: bold;
 }
 
 .demo h2 {
   font-size: 16px;
   font-family: 'Open Sans';
   font-weight: 700;
   margin: 0 0 0.2em 0;
-  color: #777;
+  color: #000;
   letter-spacing: -0.06em;
 }
 
 .demo #loading-cover{
   display: block;
   position: fixed;
   left: 0;
   top: 0;
   right: 0;
   bottom: 0;
@@ skipping 85 matching lines @@
   height: 40px;
   background: #6DD900;
   transition: width 0.1s ease-out;
 }
 
 .demo .credit {
   margin-top: 20px;
   font-size: 10px;
   color: #AAA;
 }