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