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