body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background-color: #f5f5f5;
}

nav {
    margin-bottom: 15px;
}

nav a {
    margin-right: 15px;
    text-decoration: none;
    font-weight: bold;
    color: #003366;
}

nav a:hover {
    text-decoration: underline;
}

h1 {
    color: #003366;
}

footer {
    margin-top: 40px;
    font-size: 0.85em;
    color: gray;
}