How to use the @synerise/ds-typography.macro.h400 function in @synerise/ds-typography

export const SelectionHeader = styled(Header)`
  background: ${(props): string => props.theme.palette['blue-600']};
`;

export const Size = styled.div`
  ${macro.medium};
  color: #fff;
  b {
    ${macro.h400};
    color: inherit;
  }
`;

export const Title = styled.div`
  ${macro.h400};
`;

export const SubTitle = styled.div`
  ${macro.small};
  border-left: 1px solid ${(props): string => props.theme.palette['grey-200']};
  color: ${(props): string => props.theme.palette['grey-800']};
  margin-left: 24px;
  padding: 0 24px;
`;

export const Left = styled.div`
  display: flex;
  align-items: center;
`;

export const Right = styled.div``;