.qr-reader{width:430px;height:100vh;margin:0 auto;position:relative}.qr-reader video{width:100%;height:100%;object-fit:cover}.qr-reader .qr-box{width:100%!important;left:0!important}.qr-reader .qr-frame{position:absolute;fill:none;left:50%;top:50%;transform:translate(-50%) translateY(-50%)}@media (max-width: 426px){.qr-reader{width:100%}}