content: import React from 'react';
  import classNames from 'classnames';
  import PropTypes from 'prop-types';
  
  const Button = ({children, className, onClick, type = 'button'}) => {
    const cssClasses = classNames('btn', className);
    return (
      <button className={cssClasses} onClick={onClick} type={type}>
        {children}
      </button>
    );
  };
  
  Button.propTypes = {
    children: PropTypes.node,
    className: PropTypes.string,
    onClick: PropTypes.func,
    type: PropTypes.oneOf(['button', 'reset', 'submit'])
  };
  
  export default Button;
  