content: import React, { Component } from 'react';
  import Helmet from 'react-helmet';
  import { config } from 'config';
  import { Link } from 'react-router';
  import { prefixLink } from 'gatsby-helpers';
  
  export default class NotFound extends Component {
    render () {
      return (
        <div className="page page--not-found">
          <Helmet
            title={config.siteTitle}
          />
          <h1>
            The page you were looking for cannot be found.
          </h1>
        </div>
      );
    }
  }
  