body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

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

header nav ul li {
    display: inline;
    margin-right: 15px;
}

#video-banner {
    width: 100%;
    height: 300px;
    background: #333;
}