</div>
                <p align='right' style='padding-right: 13px;' >
                    <a href='../uploads/".$r['file_name']."' download>
                        <button>Download</button>
                    </a>
                    <button value='".$r['id_teaching_materials']."' id='deleteMaterial' onclick='deleteMaterial(this.value)' style='margin-left: 10px;'>Delete</button>
                </p>
            </div>
            <br>";