Element block pseudo-class :active generated with z-index auto float none margin 0px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 4px rgba(0,0,0,1) solid background display block padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 box-sizing content-box transform overflow hidden position static font-size 16px height auto font-weight normal cursor default transition border-radius