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

header {
    background-color: #4a90e2;
    color: white;
    padding: 10px;
}

h1 {
    margin: 0;
    padding: 5px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: block;
    margin: 2px 0;
}

nav ul li a {
    color: #ffffff;
    text-decoration: underline;
}

section {
    background-color: #ff9966;
    margin: 10px;
    padding: 15px;
}

section h1 {
    color: white;
    margin: 0 0 10px 0;
}

footer {
    background-color: #4a90e2;
    color: white;
    padding: 10px;
    margin-top: 10px;
}