body {
  margin: 0;
  padding: 0;
}
.bg-video-wrap{
  position: fixed;
  overflow: hidden;
  width:100%;
  height:100vh;
  background-color: #000;
}
video{
  object-fit: cover;
  min-width:100%;
  min-height:100vh;
  z-index:1;
  overflow: hidden;
  position: fixed;;
}