anchor.diff:                                      <div class="col-md-12">
                                           <div class="input-group">
                                               <span class="input-group-addon glyphicon glyphicon-earphone"></span>
  -                                            <input type="tel" class="form-control" placeholder="Phone number">
  +                                            <input id="phone_number" type="tel" class="form-control" placeholder="Phone number">
                                           </div>
                                       </div>
                                   </div>
  
positive.code:                         <div class="panel-body">
                              <div class="panel-group">
                                  <div class="row">
                                      <h3>Accept website <a href="">policy</a>  <input type="checkbox"></h3>
                                  </div>
                                  <div class="row">
                                      <button class="btn btn-success" type="button" disabled>Confirm</button>
                                  </div>
                              </div>
                              <!-- Panel group -->
  
negative.code:                                     <div class="col-md-12">
                                          <div class="input-group">
                                              <span class="input-group-addon glyphicon glyphicon-wrench"></span>
                                              <input id="confirm_password" type="text" class="form-control" placeholder="Confirm password">
                                          </div>
                                      </div>
                                  </div>
  