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