Power Button (Free PSD)

Just playing with layerstyles:)

You can get PSD here: https://www.dropbox.com/s/q39ji4pon5iueb2/Power.psd

Don`t forget to check out the @2x!
Stay in touch! ;)

UPDATE:

Thanx to Mojtaba Seyedi for CSS version - http://codepen.io/new/pen/siAvJ