Fixed

src/App.tsx

@@ -60,7 +60,7 @@ export function App() {
     }, []);
 
     return (
-        <div id="fullpage" className="bg-background text-foreground w-full">
+        <div id="fullpage" className="bg-background text-foreground w-full h-screen max-h-screen">
             <div id="top" className="section">
                 <Top />
             </div>

src/index.css

@@ -13,3 +13,9 @@
   justify-content: center;
   align-items: center;
 }
+
+@layer base {
+  body {
+    @apply min-h-screen m-0 p-0 overflow-hidden;
+  }
+}