card.js

import PropTypes from 'prop-types';
import './card.css';

export function Card(props) {
  Card.propTypes = {
    title: PropTypes.string.isRequired,
  };

  return (
    <div className="card">
      <h1 className="cardTitle">{props.title}</h1>
      {props.children}
    </div>
  );
}