While browser support is still very limited, there is promise on the horizon. Mobile Safari, with its hardware acceleration, renders 3D transforms extremely fast and with very little depth-sorting issues. It’s only a matter of time until other manufacturers release stable implementations. Many designers across the globe are experimenting with new powerful features of the language, using graceful degradation for users with older browsers and using the new possibilities of HTML5/CSS3 for users with modern browsers. The following are some great examples of HTML5/CSS3 techniques and features:
Adobe Demo CSS3
3d popup book – http://2012.beercamp.com/
CSS 3D Earth – http://www.edankwan.com/lab/css3dEarth
Cursor monster – http://lab.simurai.com/monster/
Our solar system – http://neography.com/experiment/circles/solarsystem/
Infinite zoom – http://www.cssplay.co.uk/menu/css3-zoom.html
And just for fun, a playable HTML5 verison of Wolfenstein 3D – http://wolf3d.atw.hu/