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