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