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