I have some css that I only want to "work" when the visitor is looking at the page on a desktop (I may modify this request to also include tablets. We'll see....) On phones I want the css to be totally ignored (there is some existing css that I already have that should kick into action on phones.)
I am using twitter bootstrap.
The css that I want to restrict to desktop is
I'd like to do this entirely in CSS (not html) if possible.