WIP

dist/app.js

@@ -7,7 +7,20 @@
   \***********************/
 /***/ (() => {
 
-
+var observer = new IntersectionObserver(function (entries) {
+  entries.forEach(function (entry) {
+    if (entry.isIntersecting) {
+      entry.target.classList.add('visible');
+    } else {
+      entry.target.classList.remove('visible');
+    }
+  });
+}, {
+  threshold: 0.1 // adjust as needed
+});
+document.querySelectorAll('.watch-vp').forEach(function (el) {
+  observer.observe(el);
+});
 
 /***/ }),