ex) test@test.co.kr <iframe width="560" height="315" src="https://www.youtube.com/embed/fS44-QokiRU" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> 첨부파일1 : 위클리 홈 레터 유아부 2-2_46.hwp