body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    padding: 2rem;
    color: #333;
}

nav {
    background-color: #222;
    color: white;
    padding: 1rem;
    margin-bottom: 1rem;
}

nav a {
    color: white;
    margin-right: 1rem;
    text-decoration: none;
}

form {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    margin: auto;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}