He's using CSS media queries, similar to what's being done here: http://broadcast.oreilly.com/2010/04/using-css-media-queries-ipad.html http://broadcast.oreill

He's using CSS media queries, similar to what's being done here: http://broadcast.oreilly.com/2010/04/using-css-media-queries-ipad.html http://broadcast.oreilly.com/2010/04/using-css-media-queries... Check out the code he uses to make this happen near the bottom of his main CSS file: http://hicksdesign.co.uk/css/layout.css http://hicksdesign.co.uk/css/layout.css