content: import React from 'react';
  
  export default class MainMenu extends React.Component {
    render() {
      return (
        <ul className="main-menu">
          <li><a href="/">Home</a></li>
          <li><a href="/users">Users</a></li>
          <li><a href="/notfound">Not a page</a></li>
        </ul>
      );
    }
  }
  