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