I'm not a huge fan of skeuomorphism designs in general, but I like the challenge of it. Years ago, when this was the design trend, most designs used background-images and sprites to achieve what we now easily (or maybe not 'easy') can accomplish by using only CSS.

This pen is a recreation of this beautiful Dribbble shot by the way.

The Pen

See the Pen Switch | CSS only by Håvard Brynjulfsen (@havardob) on CodePen.