content: import React from 'react';
  import PropTypes from 'prop-types';
  
  const TimelineItem = ({ title, date, children }) => (
    <div className="panel">
      <div className="date">
        {date}
      </div>
      <div className="panel-heading">
        <h2>{title}</h2>
      </div>
      <div className="panel-body">
        {children}
      </div>
    </div>
  );
  TimelineItem.propTypes = {
    title: PropTypes.node.isRequired,
    date: PropTypes.string.isRequired,
    children: PropTypes.node.isRequired,
  };
  
  export default TimelineItem;
  