The site has adopted Yet Another Theme. This time, it’s one of the core WordPress themes, TwentyTwelve. I’ve added a responsive, three column footer widget area.
Download a zip file containing footer.php, style.css and functions.php: SDS_2012 theme
updated 2012-12-29 to use the more correct form of starting PHP code, <?php
This modification is best implemented as a child theme. What’s a child theme? Read this article from the WordPress codex: http://codex.wordpress.org/Child_Themes