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