                                                th:classappend="${param.error != null} ? is-danger"></div>
                        </div>
                        <div class=field>
                            <div class=control><input type=submit
                                                      class="button is-block is-primary is-medium is-fullwidth"
                                                      value=Login></div>
                        </div>
                    </form>
                </div>