   <marked-element>
        <div slot="markdown-html"></div>
        <script type="text/markdown">
          ## Markdown Renderer

          Example:

          ```html
          <paper-toolbar>
            <paper-icon-button icon="menu"></paper-icon-button>
            <div class="title">Title</div>
            <paper-icon-button icon="more"></paper-icon-button>
          </paper-toolbar>
          ```

          _Nifty_ features.
        </script>
      </marked-element>
    </section>

    <section>
    