#qrDialog{width:min(92vw,430px);padding:30px 34px 28px;text-align:center}
#qrDialog h2{margin:0 0 18px;font-size:28px;line-height:1.15}
#qrDialog p{margin:15px 0 0;font-size:15px;line-height:1.4;color:#666}
#qrCanvas{width:100%;height:260px;max-width:100%;margin:0 auto;display:grid;place-items:center;overflow:hidden}
#qrCanvas img{display:none!important}
#qrCanvas canvas{display:block!important;width:260px!important;height:260px!important;max-width:100%;margin:0 auto!important}
@media(max-width:420px){#qrDialog{padding:27px 20px 24px}#qrDialog h2{font-size:24px}#qrCanvas{height:min(260px,72vw)}#qrCanvas canvas{width:min(260px,72vw)!important;height:min(260px,72vw)!important}}