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