refactor: more css purging

src/element/video-grid.tsx

@@ -0,0 +1,9 @@
+import { ReactNode } from "react";
+
+export default function VideoGrid({ children }: { children: ReactNode }) {
+  return (
+    <div className="grid gap-8 sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-4 xl:grid-cols-5 2xl:grid-cols-7 3xl:grid-cols-8">
+      {children}
+    </div>
+  );
+}