body {
    background-color: black;
    color: white;
    font-family: Arial;
    margin: 30px;
}

nav {
    background-color: lightgray;
    padding: 15px;
}

nav a {
    color: black;
    margin-right: 25px;
    text-decoration: none;
}

nav a:hover {
    color: gray;
}

h1 {
    color: white;
}

h2 {
    color: white;
}

a {
    color: lightblue;
}

iframe {
    width: 800px;
    height: 500px;
    border: 1px solid gray;
}

.video-banner {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.video-banner iframe {
    width: 100%;
    height: 500px;
    border: none;
    margin-top: -100px;
}