This post shows you how to add embeds using Markdown.

Youtube:

<div class="embed embed-responsive embed-responsive-16by9">
<iframe class="embed-responsive-item" width="560" height="315" src="https://www.youtube.com/embed/afvT1c1ii0c" frameborder="0" allowfullscreen></iframe>
</div>

Vimeo:

<div class="embed embed-responsive embed-responsive-16by9">
<iframe class="embed-responsive-item" src="https://player.vimeo.com/video/120206922?color=dcde62&title=0&byline=0&portrait=0&badge=0" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen>
</iframe>
</div>

SoundCloud:

<div class="embed">
<iframe width="100%" height="600" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/266022404&amp;auto_play=false&amp;hide_related=false&amp;show_comments=true&amp;show_user=true&amp;show_reposts=false&amp;visual=true"></iframe>
</div>

<div class="embed">
<iframe width="100%" height="166" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/266022404&amp;color=ff9900&amp;auto_play=false&amp;hide_related=false&amp;show_comments=true&amp;show_user=true&amp;show_reposts=false"></iframe>
</div>

Twitter:

<div class="embed">
<blockquote class="twitter-tweet" data-lang="en"><p lang="en" dir="ltr">What a win by the USA in <a href="https://twitter.com/hashtag/RyderCup?src=hash">#RyderCup</a>. Proud to see our guys bring the trophy back home. Arnie is smiling down.</p>&mdash; President Obama (@POTUS) <a href="https://twitter.com/POTUS/status/782762238616727552">October 3, 2016</a></blockquote>
<script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
</div>