text: import { useEffect } from 'react';
  import Header from '../components/header';
  
  export default function NotFound() {
    useEffect(() => {
      document.title = 'Not Found - Instagram';
    }, []);
  
    return (
      <div className="bg-gray-background">
        <Header />
        <div className="mx-auto max-w-screen-lg">
          <p className="text-center text-2xl">Not Found!</p>
        </div>
      </div>
    );
  }
  