body {
  background-image: url("background.jpg");
  background-size: cover;
  font-family: sans;
  color: darkblue;
}

h1 {
  color: darkblue;
  font-family: sans;
}

li {
list-style: none;
}

li#active {
  color: black;
}

a,
a:link,
a:visited,
a:hover,
a:active {
  
  color: darkblue;
}

div#video {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1920/1080;
  width: min(100%,100vh);
  height: auto;
}

div#footer {
  color: white;
  font-size: small;
  opacity: 0.5;
}

div.link img {
  height: 5em;
}

div.link {
  vertical-align: middle;
}

iframe {
position: absolute;
width: 100%;
height: 100%; top: 0; left: 0; border: none; padding: 0; margin: 0;
overflow:hidden;
}