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