/* Our video background container */
.vidbg-container {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-color: #444;

  /* The actual video */
  video {
    margin: auto;
    position: absolute;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: none;
    opacity: 0;
  }
}

/* The overlay shield */
.vidbg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 1;
  transition: opacity 0.5s ease;
}