* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a, a:hover, a:active, a:visited { color: white; }

html, body {
  height: 100%;
  overflow: hidden;
  background-color: black;
}

.video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: black;
}

.video-container iframe {
  width: 100vw;
  height: 56.25vw; /* 16:9 aspect ratio */
  max-height: 100vh;
  max-width: 177.78vh; /* 16:9 aspect ratio */
  border: none;
}