What part of it is HTML5?
<a href="http://i.v3n.us/8YeR" rel="nofollow">http://i.v3n.us/8YeR</a><p>EDIT: This is just plain 'ol CSS & JavaScript like we've been using for years. Unlike this implementation: <a href="http://arandomurl.com/2010/07/25/html5-pacman.html" rel="nofollow">http://arandomurl.com/2010/07/25/html5-pacman.html</a>