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