Element block pseudo-class :active generated with height auto margin 0px overflow hidden z-index auto border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default transition border 2px rgba(0,0,0,1) solid background float none width 160px padding 20px box-sizing content-box font-size 16px position static font-weight normal display block line-height 1 transform text-shadow 1px 1px 1px rgba(0,0,0,0.2)