.qr-reader{width:430px;height:100vh;margin:0 auto;position:relative}.qr-reader video{object-fit:cover;width:100%;height:100%}.qr-reader .qr-box{width:100%!important;left:0!important}.qr-reader .qr-frame{fill:none;position:absolute;top:50%;left:50%;transform:translate(-50%)translateY(-50%)}@media (max-width:767px){.qr-reader{width:100%;height:70vh;margin:0 auto;position:relative}}