content: import React from 'react';
  import PropTypes from 'prop-types';
  
  const DEFAULT_COLOR = '#ccc';
  const DEFAULT_MARGIN = 13;
  const DEFAULT_WIDTH = 1;
  
  const Separator = ({
      className = '',
      color = DEFAULT_COLOR, 
      marginBottom = DEFAULT_MARGIN, 
      marginTop = DEFAULT_MARGIN, 
      width = DEFAULT_WIDTH 
  }) => (
      <div
          className={className}
          style={{
              backgroundColor: color,
              height: width,
              marginBottom,
              marginTop
          }}
      />
  );
  
  Separator.propTypes = {
      className: PropTypes.string,
      color: PropTypes.string,
      marginBottom: PropTypes.number,
      marginTop: PropTypes.number,
      width: PropTypes.number
  };
  
  export default Separator;