form {
    text-align: -webkit-center;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

button {
    max-width: 30%;
}

#qrcode {
    display: flex;
    justify-content: center;
    margin: 50px 0;
}

#qrcode img {
    width: 50vh;
}

footer {
    display: flex;
    justify-content: center;
    align-items: center;
    align-content: center;
}
footer p {
    margin: initial;
}

#kofibtn {
    max-width: 40vh;
    margin: 2em;
}