body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #111;
    color: #eee;
}
header {
    background-color: #000;
    padding: 1em;
    text-align: center;
}
header h1 {
    margin: 0;
    color: #c00;
}
nav ul {
    list-style-type: none;
    padding: 0;
}
nav ul li {
    display: inline;
    margin: 0 1em;
}
nav ul li a {
    color: #eee;
    text-decoration: none;
}
section {
    padding: 2em;
}
footer {
    text-align: center;
    padding: 1em;
    background-color: #000;
    color: #888;
}