Update index.html

index.html

@@ -33,11 +33,13 @@
     }
 
     .video-card {
-      background: white;
-      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
-      border-radius: 8px;
-      overflow: hidden;
-    }
+  max-width: 600px;
+  margin: 0 auto;
+  background: white;
+  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
+  border-radius: 8px;
+  overflow: hidden;
+}
 
     .video-card video {
       width: 100%;