brouilleursdeblanc/_posts/articles/2013-06-25-video-post.md

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post	A Post with a Video	Custom written post descriptions are the way to go... if you're not lazy.	articles	sample-post video	true	true

Video embeds are responsive and scale with the width of the main content block with the help of FitVids.

Not sure if this only effects Kramdown or if it's an issue with Markdown in general. But adding YouTube video embeds causes errors when building your Jekyll site. To fix add a space between the <iframe> tags and remove allowfullscreen. Example below:

{% highlight html %}

{% endhighlight %}

And here's a Vimeo embed for testing purposes.