   <div id="block_surname" class="form-group row">
                        <label for="surname" class="col-sm-3 col-md-2 required">Prénom</label>
                        <div class="col-sm-9 col-md-6" >
                            <input type="text" class="form-control"  id="surname" name="surname">
                            <span class="text-danger" ></span>
                        </div>
                    </div>
                    <div id="block_email" class="form-group row ">
              