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