body{
    background:#f4f4f4;
    font-family:Arial, Helvetica, sans-serif;
}
.card{
    border-radius:20px;
}

h1{
    color:#0d6efd;
}

#qrcode img{
    border:10px solid white;
}
.alert-success{
    font-size:1.2rem;
}

.alert-danger{
    font-size:1.2rem;
}

body{
    background:#eef2f7;
}
#reader{
    width:100%;
}

video{
    border-radius:20px;
}