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

html, body {
  width: 100%;
  height: 100%;
  background: black;
  overflow: hidden;
  touch-action: manipulation;
}

video {
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  background-color: black;
}