title: ExtJs Neptune theme
body: <p>I'm trying to change default theme in ExtJs 4.2 to Neptune custom theme. How to make it for debugging?</p>
  
  <pre><code>&lt;html&gt;
  &lt;head&gt;
      &lt;title&gt;xxx&lt;/title&gt;
      &lt;link rel="shortcut icon" type="image/ico" href="favicon.ico" /&gt;
      &lt;link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css"&gt;
      &lt;link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-custom.css"&gt;
      &lt;script type="text/javascript" src="extjs/ext-all.js"&gt;&lt;/script&gt;
      &lt;script type="text/javascript" src="Scripts/App.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;&lt;/body&gt;
  &lt;/html&gt;
  </code></pre>