body {
  margin: 0;
  padding: 0;
}
.bg-video-wrap {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100vh;

}
video {
  min-width: 100%;
  min-height: 100vh;
  z-index: 1;
}
.fullHeight {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  background-size: 3px 3px;
  z-index: 2;
}