body {
 background: rgb(48,48,48) url("./noise.png") repeat;
}
video {
  box-shadow: 0 0 15px #000;
}
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}
video {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  max-width: 100%;
  max-height: 100%;
}
video:focus {
  outline-width: 0;
}