body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

nav {
    background-color: #333;
    padding: 10px 0;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    display: inline-block;
}

nav a:hover {
    background-color: #555;
}

.container {
    text-align: center;
    margin-top: 50px;
}