유튜브 동영상 반응형 삽입

1. 자동 생성해주는 웹사이트

 embedresponsively.com : http://embedresponsively.com

2. 블로거 꿈쟁이(cyclo80916)님의 글 : https://blog.naver.com/cyclo80916/220120445344

<style>

.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto; }

.embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

</style>

<div class="embed-container"><iframe src="http://www.youtube.com/embed/bE52Nr2Ok5k" frameborder='0' allowfullscreen></iframe></div>

3. CMS FACTORY의 글 : https://www.cmsfactory.net/node/20765

 <style>

.youtubeWrap {position: relative; width: 100%; padding-bottom: 56.25%;}

.youtubeWrap iframe {position: absolute; width: 100%; height: 100%;}

</style>

<div class="youtubeWrap">

<iframe width="560" height="315" src="https://www.youtube.com/embed/bE52Nr2Ok5k" frameborder="0" allowfullscreen></iframe>

</div>