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