Don't have access to IE here but he's using a ton of -webkit- prefixing for things that are supported in other browsers since long ago. http://caniuse.com/tran

Don't have access to IE here but he's using a ton of -webkit- prefixing for things that are supported in other browsers since long ago. http://caniuse.com/transforms2d http://caniuse.com/transforms2d http://caniuse.com/css-transitions http://caniuse.com/css-transitions http://caniuse.com/css-animation http://caniuse.com/css-animation http://caniuse.com/css-gradients http://caniuse.com/css-gradients Must say all that -webkit- yellow on those pages is scary.