body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #444;
    overflow: hidden;
}

nav a {
    float: left;
    display: block;
    color: #fff;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav a:hover {
    background-color: #ddd;
    color: #000;
}

.main-content {
    padding: 20px;
}

.features, .contact, .social-media {
    margin-bottom: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
}