Swing Spring Register Button in css

Call-to-action, "Register" button for the Swing Spring 2015 website:
http://swingspring.comets.fi/english.html

The hover effects in the published version got ditched as we wanted to make the beveled corner effect work also on a transparent background.

CSS in CSSDeck, if you want to see how it was done: http://cssdeck.com/labs/full/samxyoj8