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