body {
    background: #f3f3f3;
    font-family: sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

.container {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

input {
    padding: 10px;
    width: 300px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 50px;
    margin-left: 10px;
    border-radius: 8px;
    background: #007bff;
    color: white;
    margin-top: 10px;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

#qrcode {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}