<nav class="ggvis-control">
  <a class="ggvis-dropdown-toggle" title="Controls" onclick="return false;"></a>
  <ul class="ggvis-dropdown">
    <li>
      Renderer: 
      <a id="plot_453521857_renderer_svg" class="ggvis-renderer-button" onclick="return false;" data-plot-id="plot_453521857" data-renderer="svg">SVG</a>
       | 
      <a id="plot_453521857_renderer_canvas" class="ggvis-renderer-button" onclick="return false;" data-plot-id="plot_453521857" data-renderer="canvas">Canvas</a>
    </li>
    <li>
      <a id="plot_453521857_download" class="ggvis-download" data-plot-id="plot_453521857">Download</a>
    </li>
  </ul>
</nav>