<form> <input type="hidden" name="id" value="BLOCK_ID" class="js-course-block-id"><!--Header -->
                        <div class="container">
                        <div class="row">
                            <div class="col-md-12 col-sm-12 col-12  js-main-content">
                                <div class="js-inline-editor">
                                    <h1>Heading</h1>
                                </div>
                            </div>
                        </div>
                        </div>
                        <div class="js-configuration-data"></div>
                    </form>