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