index.html

 <div class="formWrapper">
  <form id="kitfox" name="kitfox">
    <input type="hidden" name="subject" value="ContivSignup">

    <div>Email: <input type="text" value="" name="email"></div>
    <div>Name: <input type="text" value="" name="Name"></div>
    <div>Species: <input type="text" value="" name="species"></div>

    <div><input type="checkbox" name="hungry" value="yes"> hungry like a wolf? </div>

    <div><input type="radio" name="Gender" value="male" checked> male fox</div>
    <div><input type="radio" name="Gender" value="female"> female fox</div>

    <div>
      <select name="state">
      <option value="" selected>choose a State...</option>
      <option value="CA">CA</option>
      <option value="OR">OR</option>
      <option value="WA">WA</option>
      </select>
    </div>

    <input type="submit" name="Send">
  </form>
</div>

<div class="thankyouWrapper" style="display: none;">
  <h2><em>Thank You!</em></h2>
</div>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://ec2-52-11-94-129.us-west-2.compute.amazonaws.com:4000/javascripts/kitfox_client.js"></script>

<script>
function kitfoxCallback() {
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  $('.thankyouWrapper').slideDown(1000,'swing');
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</script>