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