Upload button concept (live example)

Here is a try about an upload button concept. Animated in a live example with jQuery, CSS and HTML :)

See it in action: http://jsfiddle.net/Flayks/Js7dq/

Based on a rebound of @Radu Jianu (http://dribbble.com/shots/871352-Upload-Button-rebound-PSD)

(sorry for the gif quality)