body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    text-align: center;
}

#scan-qr {
    padding: 10px 20px;
    font-size: 16px;
    margin-top: 20px;
}

#qr-result {
    margin-top: 20px;
    font-weight: bold;
}