e-11-syntactic-sugar" class="nav-link">Example 11: Syntactic sugar</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example-12-a-mute-button" class="nav-link">Example 12: A mute button</a>
              <ul class="nav flex-column">
              </ul>
            </li>
            <li class="nav-item" data-level="3"><a href="#example-13-vertical-and-horizontal-layout" class="nav-link">Example 13: Vertical and horiz