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