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