message: Mixes in overflowScrolling to Box
diff: @@ -20,7 +20,7 @@ import {
  style,
  } from 'styled-system';
  -import { neutralMargins } from 'react/styles/mixins';
  +import { neutralMargins, overflowScrolling } from 'react/styles/mixins';
  const flexGrow = style({ prop: 'flexGrow' });
  const flexShrink = style({ prop: 'flexShrink' });
  @@ -47,6 +47,7 @@ export const mixin = css`
  ${bgColor}
  ${textAlign}
  ${neutralMargins}
  + ${props => props.overflowScrolling && overflowScrolling}
  `;
  export default styled.div`
  