body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #000;
    color: #fff;
}
a {
    color: #00aaff;
}
.hero {
    background-color: #001f3f;
    color: white;
    padding: 40px 20px;
    text-align: center;
}
.about, .services, .contact {
    padding: 20px;
}
.about h2, .services h2, .contact h2 {
    color: #ff4136;
}
ul {
    list-style-type: square;
    padding-left: 20px;
}
footer {
    background-color: #111;
    text-align: center;
    padding: 10px;
    font-size: 0.9em;
}