content: import React from 'react';
  import classNames from 'classnames';
  
  export const Container = (props) => {
    const _className = classNames({
      'container': !props.fluid,
      'container-fluid': props.fluid,
    }, props.className);
    return <div {... props} className={_className}> {props.children} </div>;
  };
  export const Row = (props) => {
    const _className = classNames('row', props.className);
    return <div {... props} className={_className}>{props.children}</div>;
  };
  export const Col = (props) => {
    const sizeClasses = (props.size || []).map((x) => { return `col-${x}`; }).join(' ');
    const _className = classNames(sizeClasses, props.className);
    return <div {... props} className={_className}>{props.children}</div>;
  };
  