gallery optimizaiton

index.html

@@ -96,5 +96,11 @@
     <script src="https://www.gstatic.com/firebasejs/10.12.0/firebase-app-compat.js"></script>
     <script src="https://www.gstatic.com/firebasejs/10.12.0/firebase-firestore-compat.js"></script>
     <script src="js/comments.js"></script>
+
+    <!-- Lightbox -->
+    <div id="lightbox" class="lightbox">
+      <span class="lightbox-close">&times;</span>
+      <img class="lightbox-content" id="lightbox-img">
+    </div>
     </body>
 </html>