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