[react-router]Link toを使うと要素が表示されない時 ref: http://qiita.com/khrtz/items/87e7d4ff0ca0fd1c61e3

file0.txt

<Link to="mypage" className="aaa"></Link>

file1.txt

<li className="Site-nav__item">
 <Link to="mypage">
   <a href="/mypage/" className="Site-nav">
     <div className="Site-nav__link-icon Icon-mypage"></div>
      <div className="link-txt">マイページ</div>
  </a>
 </Link>
</li>