content: import React, { Component } from 'react';
  import { browserHistory } from 'react-router';
  import styles from './WhatIsDiagram.css';
  
  export default class WhatIsDiagram extends Component {
    render() {
      return (
        <div className={styles.container}>
            <div className={styles.close} onClick={browserHistory.goBack} />
        </div>
      );
    }
  }
  