*{box-sizing:border-box}html,body,app-root{display:block;width:100%;height:100%;margin:0;padding:0;background-color:#000;color:#fff;font-family:Roboto,sans-serif}app-main,app-image,app-ui,app-qr{display:block;width:100%;height:100%;inset:0;position:absolute;overflow:hidden}