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