Youtube
<div class="responsive-video">
<iframe width="853" height="480" src="//www.youtube.com/embed/XcpOsJQXcx4?list=UUIkFV7_2tEhhEhh1NkkwTUw" frameborder="0" allowfullscreen></iframe>
</div>
Vimeo
<div class="responsive-video">
<iframe src="//player.vimeo.com/video/106249100" width="1920" height="1080" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
</div>
<Embed>
<div class="responsive-video">
<embed src="/portals/9/movie.swf" type="application/x-shockwave-flash" allownetworking="all" allowfullscreen="true" allowscriptaccess="always" wmode="Opaque"></embed>
</div>
<Video>
<div class="responsive-video">
<video width="1920" height="1080" controls="true">
<source src="/portals/9/movie.m4v" type="video/mp4"></source>
<source src="/portals/9/movie.ogv" type="video/ogg"></source>
<source src="/portals/9/movie.webm" type="video/WebM"></source>
Your browser does not support the video tag. </video>
</div>