message: refactor BaseStyles
diff: -import {withSystemProps, TYPOGRAPHY, COMMON} from './system-props'
  +import styled from 'styled-components'
  +import {TYPOGRAPHY, COMMON} from './constants'
  -const BaseStyles = withSystemProps(
  - {
  - is: 'div',
  +const BaseStyles = styled.div`
  + ${TYPOGRAPHY} ${COMMON}
  +`
  +
  +BaseStyles.defaultProps = {
  color: 'gray.9',
  fontFamily: 'normal',
  lineHeight: 'default'
  - },
  - [...TYPOGRAPHY, ...COMMON]
  -)
  +}
  +BaseStyles.propTypes = {
  + ...TYPOGRAPHY.propTypes,
  + ...COMMON.propTypes
  +}
  export default BaseStyles
  