text: import React from 'react';
  import { Link } from 'gatsby';
  
  import Layout from '../components/layout';
  import Head from '../components/head';
  
  const NotFound = () => {
      return (
          <Layout>
              <Head title="404"/>
              <h1>Not Found</h1>
              <p>
                  <Link to='/'>Back to home page</Link>
              </p>
          </Layout>
      );
  };
  
  export default NotFound;