[Excavator]

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/css-transitions

http://caniuse.com/css-animation

http://caniuse.com/css-gradients

Must say all that -webkit- yellow on those pages is scary.