Element block pseudo-class :active generated with font-size 16px z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto float none margin 0px border 0px rgba(0,0,0,1) solid box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static width 160px display block transform background cursor default overflow hidden transition border-radius line-height 1 font-weight normal padding 20px