body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100vh;
}

input {
    padding: 5px;
    width: 300px;
}

#qrcode {
    border: 5px solid crimson;
    border-radius: 20px;
    padding: 20px;
}