body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, sans-serif;
  color: #fff;
}

#bg-video {
  position: fixed;
  right: 0;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
  z-index: -1;
  object-fit: cover;
}

header, main, footer {
  background: rgba(0, 0, 0, 0.5);
  padding: 20px;
  text-align: center;
}

header img {
  width: 200px;
}

h1, h2 {
  margin: 10px 0;
}

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

li {
  margin: 5px 0;
}

footer {
  font-size: 0.9em;
}