#qr-scanner-modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.75);display:none;justify-content:center;align-items:center;z-index:9999}#qr-reader{position:relative;z-index:1}#close-qr-scanner{position:absolute;top:10px;right:10px;z-index:10000;background-color:rgba(255,255,255,.8);border:none;padding:5px 10px;cursor:pointer;font-size:16px;border-radius:4px}