BonBon Buttons, a sweet CSS3 buttons that are sexy looking, really flexible, but with the most minimalistic markup as possible. A mate, glossy and glass are the different 3 version of materials.
These CSS3 buttons are just for demo only and not meant to be used on your next project that target the average internet user. He just wanted to show a couple techniques how to use some of the new CSS3/HTML5 features. So only the current version of Safari, Chrome and Firefox are supported.