text: import React from 'react';
  import PropTypes from 'prop-types';
  import classNames from 'classnames';
  
  import css from './Topbar.module.css';
  
  const MenuIcon = props => {
    const { className, rootClassName } = props;
    const classes = classNames(rootClassName || css.rootMenuIcon, className);
  
    return (
      <svg
        className={classes}
        width="18"
        height="12"
        viewBox="0 0 18 12"
        xmlns="http://www.w3.org/2000/svg"
      >
        <g fillRule="evenodd">
          <rect width="18" height="2" rx="1" />
          <rect y="5" width="18" height="2" rx="1" />
          <rect y="10" width="18" height="2" rx="1" />
        </g>
      </svg>
    );
  };
  
  const { string } = PropTypes;
  
  MenuIcon.defaultProps = {
    className: null,
    rootClassName: null,
  };
  
  MenuIcon.propTypes = {
    className: string,
    rootClassName: string,
  };
  
  export default MenuIcon;
  