.video-parallax-container video {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: auto;
  height: auto;
  z-index: -100;
  background-size: cover;
  transition: 1s opacity;
}

.video-parallax-container {
  width: 100%;
  min-height: 100vh;
}