tion</h2>
            <p>Working example of this code: <a href="https://www.w3.org/WAI/WCAG20/Techniques/working-examples/toggle-navbar.html">Toggle navigation bar with a link</a>.</p>
         </section>
      </section>
      <section class="example">
         <section class="description"><h2>Description</h2>
            <p>The table of contents for a set of Web pages is repeated near the beginning of each Web page. A button at the beginning of the table of contents lets the user remove or restore it on t