y: none;">
  <!-- Clickable label for Vienna -->
  <a class="overlay" id="vienna" target="_blank" href="http://en.wikipedia.org/wiki/Vienna">Vienna</a>
  <div id="marker" title="Marker"></div>
  <!-- Popup -->
  <div id="popup" title="Welcome to OpenLayers"></div>
</div>

        </div>
      </div>

      <div class="row-fluid">
        <div class="span12">
          <p id="shortdesc">Demonstrates overlays.</p>
          <div id="docs"><p>The popups are created using <a href="http://getbootstrap.com/javasc