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