Use dejavu sans mono for code, responsive videos

_posts/2013-04-02-blog-or-not-blog.md

@@ -16,7 +16,7 @@ Jones](http://pyvideo.org/speaker/352/brian-k-jones) gave at
 [PyCon](http://pycon.org) that my friend, [Daniel Bond](http://dbond.cc/),
 pointed out to me:
 
-<div class="flex-video widescreen"><iframe width="640" height="360"
+<div class="video-container"><iframe width="640" height="360"
 src="http://www.youtube.com/embed/BBfW3m3TK0w?feature=player_embedded"
 frameborder="0" allowfullscreen></iframe></div>