.video-container {position:relative; padding-bottom:56.25%; padding-top:30px; height:0; overflow:hidden; }
.video-container iframe,.video-container object,.video-container embed { position:absolute; top:0; left:0; width:100%; height:90%; }
<결과물>
제헌절 기념 애국가 신 버전 1절 3d음향