Element block pseudo-class :active generated with display block background border 0px rgba(0,0,0,1) solid width 160px margin 0px cursor default box-shadow 0px 0px 20px rgba(0,0,0,0.5) height auto transform position static padding 20px transition font-size 16px float none box-sizing content-box overflow hidden font-weight normal z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 border-radius