video {
   object-fit: cover;
   width: 100vw;
   height: 100vh;
   position: fixed;
   top: 0;
   left: 0;
   z-index: 0;
 }

 .video-overlay {
    z-index: 0;
    position:absolute;
    top: 0;
    left: 0;
    width: 100vw;
   height: 100vh;
   background: rgb(1,1,1,.4);
   background: linear-gradient(180deg, rgba(1,1,1,0) 0%, rgba(1,1,1,1) 100%);
 }