message: fix(buttongroup): adding columns to the story
diff: @@ -2,6 +2,7 @@ import React from 'react';
  import { storiesOf } from '@storybook/react';
  import { withKnobs, text, select } from '@storybook/addon-knobs';
  import { ArrowRight20, ArrowDown20, Pdf20 } from '@carbon/icons-react';
  +import '@carbon/grid/scss/grid.scss';
  import '../../../../../styles/scss/components/buttongroup/_buttongroup.scss';
  import readme from '../README.md';
  import { BUTTON_GROUP } from '../../../internal/FeatureFlags';
  @@ -54,12 +55,27 @@ if (BUTTON_GROUP) {
  return (
  <div
  + className="bx-grid"
  style={{
  padding: 2 + `rem`,
  backgroundColor: 'black',
  }}>
  + <div className="bx--row">
  + <div className="bx--col-lg-16 bx--col-md-6 bx--col-sm-16">
  <ButtonGroup buttons={buttons} />
  </div>
  + </div>
  + <div className="bx--row">
  + <div className="bx--col-lg-12 bx--col-md-8 bx--col-sm-16">
  + <ButtonGroup buttons={buttons} />
  + </div>
  + </div>
  + <div className="bx--row">
  + <div className="bx--col-lg-12 bx--col-md-4 bx--col-sm-16">
  + <ButtonGroup buttons={buttons} />
  + </div>
  + </div>
  + </div>
  );
  });
  }
  