span>
       <span class="md-header-nav__topic">
        Directory api
       </span>
      </div>
     </div>
     <div class="md-flex__cell md-flex__cell--shrink">
      <label class="md-icon md-icon--search md-header-nav__button" for="__search">
      </label>
      <div class="md-search" data-md-component="search" role="dialog">
       <label class="md-search__overlay" for="__search">
       </label>
       <div class="md-search__inner" role="search">
        <form action="../search.html" class="md-sear