<section class="navigation">
  <div class="link-container">
    <ul>
      <li>
        <a class="scrollable" href="#section1">
          Link 1
        </a>
      </li>
      <li>
        <a class="scrollable" href="#section2">
          Link 2
        </a>
      </li>
      <li>
        <a class="scrollable" href="#section3">
          Link 3
        </a>
      </li>
    </ul>
  </div>
</section>

<section class="content" id="section1">
</section>
<section class="content" id="section2">
</section>
<section class="content" id="section3">
</section>