styles.css

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
    margin: 0;
    padding: 0;
}

header {
    text-align: center;
    padding: 20px;
}

.banner {
    background-color: #333;
    padding: 20px;
}

.logo {
    max-width: 100%;
    height: auto;
}

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;
    font-size: 1.2em;
}

nav ul li a:hover {
    text-decoration: underline;
}

main {
    padding: 20px;
    text-align: center;
}

.intro h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

footer {
    background-color: #333;
    text-align: center;
    padding: 20px;
    position: absolute;
    width: 100%;
    bottom: 0;
}

footer p {
    margin: 5px 0;
}

footer a {
    color: #fff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}