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

native_client_sdk/src/gonacl_appengine/static/styles/style.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;
-}
-
-body {
-  display: flex;
-  flex-direction: row;
-}
-
-nav {
-  width: 230px;
-  background: #F3F3F3;
-  border-right: 1px solid #CCCCCC;
-  flex: 0 0 auto;
-}
-
-nav h1 {
-  font-family: 'Open Sans';
-  font-weight: 300;
-  color: #555;
-  margin: 0;
-  padding: 35px 0 20px 10px;
-  font-size: 22px;
-  border-bottom: 1px solid #CCC;
-}
-
-nav ul {
-  list-style: none;
-  padding: 0;
-  margin: 0;
-}
-
-nav ul li {
-  height: 52px;
-  line-height: 52px;
-  border-top: 1px solid #FFF;
-  border-bottom: 1px solid #CCC;
-  position: relative;
-  overflow: hidden;
-}
-
-nav ul li a {
-  padding-left: 50px;
-  display: block;
-  width: 100%;
-  height: 100%;
-  background-image: url(icons.png);
-  background-repeat: no-repeat;
-  background-color: #F3F3F3;
-  background-size: 30px 420px;
-  color: #444;
-  text-decoration: none;
-  transition: background-color 0.2s ease-out, color 0.3s ease-in-out;
-}
-
-nav ul li#lua a {
-  background-position: 14px 16px;
-}
-
-nav ul li#bullet a {
-  background-position: 14px -52px;
-}
-
-nav ul li#earth a {
-  background-position: 14px -108px;
-}
-
-nav ul li#life a {
-  background-position: 13px -166px;
-}
-
-nav ul li#voronoi a {
-  background-position: 15px -230px;
-}
-
-nav ul li#smoothlife a {
-  background-position: 13px -290px;
-}
-
-nav ul li#cube a {
-  background-position: 13px -350px;
-}
-
-nav ul li a:hover,
-nav ul li a.active {
-  background-color: #444;
-  color: #FFF;
-  transition: background-color 0.1s ease-out, color 0.2s ease-in-out;
-}
-
-nav ul li:last-child:after {
-  content: '';
-  width: 100%;
-  height: 0;
-  border-bottom: 1px solid #FFF;
-  position: absolute;
-  left: 0;
-  bottom: -2px;
-}
-
-section {
-  padding: 25px;
-  flex: 1 1 auto;
-  display: flex;
-  flex-direction: column;
-}
-
-section iframe {
-  box-shadow: 0 1px 1px rgba(0,0,0,0.3);
-  width: 100%;
-  height: 100%;
-  background: #FFF;
-  flex: 1 1 auto;
-}
-
-.error {
-  background-color: #ccc;
-  position: fixed;
-  left: 0;
-  top: 0;
-  right: 0;
-  bottom: 0;
-}
-
-.error h1 {
-  font-family: 'Open Sans';
-  font-weight: 300;
-  color: #555;
-  margin: 0;
-  padding: 20px 0 20px 10px;
-  font-size: 22px;
-  border-bottom: 1px solid #CCC;
-  margin-bottom: 20px;
-}
-
-.error .message {
-  background-color: #fff;
-  padding: 20px;
-  margin: auto;
-  position: absolute;
-  left: 0;
-  right: 0;
-  top: 0;
-  bottom: 0;
-  width: 500px;
-  height: 350px;
-  box-shadow: 0 1px 1px rgba(0,0,0,0.3);
-}
-
-.error img {
-  float: right;
-  margin-left: 20px;
-}
-
-.error[hidden] {
-  display: none;
-}
-
-/** Demo **/
-
-.demo {
-  background: #FFF;
-  flex-direction: column;
-}
-
-.demo header {
-  flex: 0 1 auto;
-  padding: 15px 25px;
-}
-
-.demo header h1 {
-  margin: 0;
-  font-family: 'Open Sans';
-  font-weight: 300;
-  color: #666;
-  font-size: 62px;
-  letter-spacing: -0.05em;
-}
-
-.demo p {
-  margin: 0 0 1em 0;
-  font-size: 17px;
-}
-
-.demo ul {
-  margin: 0;
-}
-
-.demo section {
-  padding: 0 25px 25px 25px;
-  display: flex;
-  flex-direction: row;
-}
-
-.demo .intro {
-  max-width: 360px;
-  padding-right: 40px;
-}
-
-.demo div {
-  flex: 1 1 auto;
-}
-
-.demo div.Demo-body,
-.demo div.Demo-content {
-  display: flex;
-  flex-direction: column;
-}
-
-.demo div.Demo-body {
-  border: 1px solid #DFDFDF;
-  position: relative;
-  padding: 10px;
-}
-
-.demo div.Demo-content embed {
-  flex: 1 1 auto;
-}
-
-.demo p {
-  font-size: 20px;
-}
-
-.demo a {
-  color: #00A3D9;
-}
-
-.demo p.note {
-  color: #666;
-  font-style: italic;
-  font-size: 14px;
-}
-
-.demo .panel-info {
-  margin-top: 20px;
-  padding-top: 20px;
-  border-top: 1px solid #CCC;
-}
-
-.demo .panel-body {
-  margin-bottom: 10px;
-  padding-bottom: 10px;
-}
-
-.demo tr {
-  font-size: 14px;
-  height: 30px;
-  line-height: 30px;
-}
-
-.demo td {
-  padding: 4px;
-}
-
-.demo tr:nth-child(2n) {
-  background: #f4f4f4;
-}
-
-.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;
-  letter-spacing: -0.06em;
-}
-
-.demo #loading-cover{
-  display: block;
-  position: fixed;
-  left: 0;
-  top: 0;
-  right: 0;
-  bottom: 0;
-  width: 100%;
-  background-color: rgba(255, 255, 255, 0.8);
-}
-
-.demo #message {
-  position:absolute;
-  text-align: center;
-  width: 100%;
-  height: 100%;
-  z-index:10;
-  top:0;
-  left:0;
-}
-
-.demo #statusField {
-  padding-top: 200px;
-  color: #444;
-  font-size: 44px;
-  font-weight: 700;
-  font-family: 'Open Sans';
-  text-align: center;
-  width: 100%;
-  letter-spacing: -0.06em;
-}
-
-.demo #terminal {
-  width: 100%;
-  height: 100%;
-  position: relative;
-  display: flex;
-}
-
-.demo #terminal iframe {
-  width: auto;
-  height: auto;
-}
-
-.demo #rendererContainer {
-  width: calc(100% - 20px);
-  height: calc(100% - 20px);
-  position: absolute;
-}
-
-.no-pointer-events {
-  pointer-events: none;
-}
-
-.demo button {
-  background: #777;
-  color: #FFF;
-  width: 49%;
-  height: 35px;
-  border-radius: 6px;
-  border: none;
-  margin-bottom: 4px;
-  cursor: pointer;
-  transition: background-color 0.2s ease-out;
-}
-
-.demo button.block {
-  display: block;
-}
-
-.demo button.one-third {
-  width: 32%;
-}
-
-.demo button:hover {
-  background: #333;
-}
-
-.demo {
-  min-height: 645px;
-}
-
-.demo #progress {
-  margin: 20px auto;
-  width: 300px;
-  border-radius: 8px;
-  background: #FFF;
-  box-shadow: 0 3px 8px rgba(0,0,0,0.3);
-}
-
-.progress-bar {
-  border-radius: 8px;
-  height: 40px;
-  background: #6DD900;
-  transition: width 0.1s ease-out;
-}
-
-.demo .credit {
-  margin-top: 20px;
-  font-size: 10px;
-  color: #AAA;
-}