.tile-element {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.tile-element.video-hover {
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 2;
}

.tile:hover .video-hover {
  opacity: 1;
}