body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 2rem auto;
    padding: 1rem;
    background-color: #f4f4f4;
    border-radius: 8px;
}

h1 {
    text-align: center;
}

.option {
    margin: 0.5rem 0;
}

label {
    margin-left: 0.5rem;
}

input[type="text"] {
    width: 100%;
    padding: 0.5rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

button {
    display: block;
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
    margin-top: 1rem;
    cursor: pointer;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}

.back-btn {
    background-color: #6c757d;
}

.back-btn:hover {
    background-color: #5a6268;
}