gatsby-plugin-transitions/src/pages/custom.js

Gatsby-plugin for animated page-transitions.

import React from 'react'

const NotFoundPage = () => (
  <div>
    <h1>I AM CUSTOM 404</h1>
    <p>You just hit a route that doesn&#39;t exist... the sadness.</p>
  </div>
)

export default NotFoundPage