A set of classes that can be used to arbitrarily rotate and flip icons.
  normal
  icon-rotate-90
  icon-rotate-180
  icon-rotate-270
  icon-flip-horizontal
  icon-flip-vertical
{% highlight html %}   normal
  icon-rotate-90
  icon-rotate-180
  icon-rotate-270
  icon-flip-horizontal
  icon-flip-vertical {% endhighlight %}