title: Using bootstrap.min.css and bootstrap-combined.min.css causes UI issues
body: <p>If I use the following two CSS files, my UI is getting an unexpected view. Specially, the modal popup UI changes a lot. Any idea why?</p>
  
  <pre><code>&lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css"&gt;
  &lt;link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css"&gt;
  </code></pre>