body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

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

    nav ul li {
        display: inline;
        margin: 0 15px;
    }

        nav ul li a {
            color: #fff;
            text-decoration: none;
        }

section {
    padding: 20px;
    margin: 20px;
    background-color: #fff;
    border-radius: 5px;
}

.cta {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

    .cta:hover {
        background-color: #0056b3;
    }

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