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