.video {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 1;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
/*   background: url(../images/_background.jpg) no-repeat; */
  background-size: cover; 
  
}