.bgvid {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -100;
  opacity: 1;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  z-index: 1;
}

/*
 *  Use the following to add a darkened overlay on top of the video
 *  (usually necessary for legibility if there will be text on top)
 */
 
}