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