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