bg fix

pages/_app.tsx

@@ -1,6 +1,12 @@
+import { R3Gradient } from '../components/R3Background'
 import '../styles/globals.css'
 import type { AppProps } from 'next/app'
 
 export default function App({ Component, pageProps }: AppProps) {
-  return <Component {...pageProps} />
+    return (
+        <>
+            <R3Gradient />
+            <Component {...pageProps} />
+        </>
+    )
 }