anchor.diff:  
                           <form action="" method="post" id="loginForm">
                               <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 form-group">
  +                                <div id="wrong-hwk-alert" class="alert alert-danger" role="alert" style="display:
  +                                none;">
  +                                    Incorrect code, Please retry again...
  +                                </div>
  +                            </div>
  +                            <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 form-group">
                                   <!--This is for demonstration purposes only.
                                   You need to properly encode the parameters before adding to the page source to
                                   avoid security breaches. -->
  
positive.code:                             <div class="form-actions">
                                  <button
                                          class="wr-btn grey-bg col-xs-12 col-md-12 col-lg-12 uppercase font-extra-large"
                                          type="submit">Sign in
                                  </button>
                              </div>
                              <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 form-group">
  
negative.code: <script>
  
      $("#ssdGeneratedNumber").sevenSeg({
          digits: 4,
          value: <%=nextNum%>,
          colorOff: "#2283c7",
          colorOn: "#000000",
          colorBackground: "none",
          slant: 10
      });
  
      $("#hwkBtn").click(function () {
          if ($("#timeBasedId").val() == $("#oldNum").val()) {
              $("#loginForm").submit();
          } else {
              $("#wrong-hwk-alert").show();
              window.setTimeout(function() {
                  $("#wrong-hwk-alert").fadeTo(500, 0).slideUp(500, function(){
                      $(this).remove();
                  });
                  location.reload();
              }, 2000);
          }
      });
  
  </script>
  </body>
  </html>