anchor.diff:              <img id="profile-photo" src=../images/default_profile.jpeg>
             </div>
             <div id="g-signin-container">
  -            <div class="g-signin2" data-onsuccess="onSignIn"></div>
             </div>
             <div class="dropdown-content">
               <a href="UserPage.html" id="user-page-anchor"></a>
  
positive.code:       </div>
  
        <div id="confirm-user-test">
          <button onclick="displayProfile()" id="user-specific-service">sign in required service</button>
        </div>
    </body>
  </html>
negative.code: <html>
    <head>
      <meta charset="UTF-8">
      <title>Test Code</title>
      <link rel="stylesheet" href="../css/style-sign-in.css">
      <script src="../javascript/RecipeRendering.js"></script>
  