body {
    background-color: #111;
    color: #f00;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background: #000;
    padding: 20px;
    text-align: center;
}
.tagline {
    font-size: 1.2em;
    color: #ccc;
}
nav a {
    color: #f00;
    margin: 0 15px;
    text-decoration: none;
}
main {
    padding: 20px;
}
section {
    margin-bottom: 40px;
}
.video {
    margin-bottom: 20px;
}
footer {
    background: #000;
    color: #ccc;
    text-align: center;
    padding: 20px;
}