anchor.diff:  
                                   <div class="row backdown">
                                       <div class="col-md-4">
  -                                        <input type="radio" name="person" value="legal">Legal person<br>
  +                                        <input type="radio" name="person" value="legal"> Legal person<br>
                                       </div>
                                       <div class="col-md-5">
  -                                        <input type="radio" name="person" value="physical">Physical person<br>
  +                                        <input type="radio" name="person" value="private"> Private person<br>
                                       </div>
                                   </div>
                               </div>
  
positive.code:                                     <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="Telephone">
                                          </div>
                                      </div>
                                  </div>
  
negative.code:                 <div class="col-md-4">
                      <div class="panel panel-info">
                          <div class="panel-heading">
                              <h3 class="panel-title">Credentials</h3>
                          </div>
                          <div class="panel-body">
                              <div class="panel-group">
  