<div class="video">
			<!-- poster="" -->
			<video autoplay muted loop>
	    <source src="https://tekeye.uk/html/images/Joren_Falls_Izu_Japan.mp4" type="video/webm">
			</video>
	</div>

.video {
  background: #000000;
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.video video {
  position: absolute;
  z-index: -1;
  width:100%;
  height:100%;
  object-fit: cover;
  opacity:0.7;
}