content: /* TODO: either use:
      this.props.children.map(c => React.cloneElement(c, {className: classNames(child.props.className, 'btn--grouped')}))
      OR
      fix _button.scss:106 .btn--grouped {..} to .btn--grouped > .btn {..}
   */
  import React from 'react';
  export default class ButtonGroup extends React.Component {
      render() {
          return <div className="btn--grouped">{this.props.children}</div>;
      }
  }
  