<form><input type="hidden" name="id" value="BLOCK_ID" class="js-course-block-id"> <!--Subheader -->
                <div class="container">
                <div class="row">
                    <div class="col-md-12 col-sm-12 col-12  js-main-content">
                        <div class="w-100">
                       
                        <div class="media">
                        <div class="media-body" id="videoBLOCK_ID" data-video="https://www.youtube.com/watch?v=K4TOrB7at0Y">

                        </div>
                        </div>
                        </div>
                        <div class="js-inline-editor">
                            <p>Add a caption</p>
                        </div>
                    </div>
                </div>
                </div>
                <div class="js-configuration-data"></div>
            </form>