nav {
    background: #003366;
    padding: 12px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ffcc00;
}

nav a.active {
    color: #ffcc00;
}