CREATING AN ANIMATED 3D BOUNCING BALL WITH CSS3
http://tympanus.net/codrops/2012/05/22/creating-an-animated-3d-bouncing-ball-with-css3/
Design, Medien und Netzkultur
http://tympanus.net/codrops/2012/05/22/creating-an-animated-3d-bouncing-ball-with-css3/