body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="text"], input[type="color"], button {
    display: block;
    margin-bottom: 10px;
}

#qr-container {
    margin-top: 20px;
    text-align: center;
}