#video_background {
    position: fixed;
    top: 0px;
    right: 0px;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -2;
    overflow: hidden;
    background-image: url('../bg.png');
    background-position: center center;
    background-size: cover;

}
#overlay {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
  z-index: 0;
  background: black;
  opacity: 0.6;
}