.lb-overlay{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.9);
  display:flex;align-items:center;justify-content:center;cursor:zoom-out;padding:2rem}
.lb-overlay img{max-width:95vw;max-height:95vh;object-fit:contain}
.lb-close{position:absolute;top:1rem;right:1.5rem;background:none;border:0;
  color:#fff;font-size:2.5rem;line-height:1;cursor:pointer}
.js-lightbox img,.lightbox-gallery img{cursor:zoom-in}