Page.js

import React, { PropTypes } from 'react'
import Style from '../styles/page'

const Page = ({currentPage, index, page}) => (
  <div
    className={"page"}
    style={{display: currentPage === index ? 'block' : 'none'}}
  >
    <div className={"title"}>
      {page.title}
    </div>
    <div className={"body"}>
      {page.body}
    </div>
  </div>
)

Page.propTypes = {
  currentPage: PropTypes.number.isRequired,
  index: PropTypes.number.isRequired
}

export default Page