Stack Overflow mobile CSS and JavaScript framework

Question

What CSS framework (if any) does SO use for mobile devices? Do they also use jQuery?

Answer 1

DIY

1. Install user-agent switcher in FF
2. Change user agent to iPhone
3. Browse to SO
4. CTRL+U

JS:

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript" src="http://cdn.sstatic.net/js/stub.js?v=3c808850d245"></script>
<script type="text/javascript" src="http://cdn.sstatic.net/js/mobile.js?v=c58294e4b2d6"></script>

CSS:

<link rel="stylesheet" type="text/css" href="http://cdn.sstatic.net/skins/mobile/all.css?v=691d8c3ee5fa">