*{box-sizing:border-box}html,body,main{background:#0b0b0c;width:100%;height:100%;margin:0;overflow:hidden}h1{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}iframe{background:#0b0b0c;border:0;width:100%;height:100%;display:block}