오브젝트 가로 폭 반응형 형태
<style type="text/css">.video-container { margin: 0;padding-bottom: 75%; max-width: 100%; height: 0; position: relative;overflow: hidden;} .video-container iframe, .video-container object, .video-container embed { margin: 0;padding: 0; width: 100%; height: 95%;position: absolute; top: 0;left: 0; }</style><div class="video-container"> <object type="text/html" width="560" height="315" data="//www.youtube.com/embed/qFmXLGheyqs" allowFullScreen></object></div>