<div class="control-group">
  <div class="controls">

    <script type="text/javascript" src="//www.google.com/recaptcha/api/challenge?k={{ public_key }}"></script>
    <noscript>
      <iframe src="//www.google.com/recaptcha/api/noscript?k={{ public_key }}" height="300" width="500" frameborder="0"></iframe><br>
      <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
      <input type="hidden" name="recaptcha_response_field" value="manual_challenge">
    </noscript>

  </div>
</div>
