body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    background-color: #333;
    border-radius: 5px;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

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

h1 {
    color: #333;
    text-align: center;
}

p {
    line-height: 1.6;
    color: #666;
}