#wrapper {
  width: 100%;
  height: 100%;
  position: absolute;
  overflow: hidden;
  display: block;
	left: 0;
	top: 0
}
#div-video {
  height: 100%;
  width: 180%;
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
}
#div-video iframe {
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

/*
<div id="wrapper">
  <div id="div-video">
    <iframe src="https://player.vimeo.com/video/854347380?h=5e78bd092d&muted=1&autoplay=1&controlers=0&background=1" width="640" height="360" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" allowfullscreen></iframe>
  </div>
</div>
*/