body,html{
    margin:0;
    background:#050505;
    overflow:hidden;
  }
  .layer{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    mix-blend-mode:screen;
    opacity:0.5;
    transition:filter 8s linear;
  }
  .layer:nth-child(1){transform:scale(1.02);}
  .layer:nth-child(2){transform:scale(1.04);}
  .layer:nth-child(3){transform:scale(1.06);}
  .layer:nth-child(4){transform:scale(1.08);}