cdnjs/cdnjs — pull request #812 by yacoob (2013-01-21 13:35:45+00:00)
Title: Add five default colorbox themes.

Those "themes" are not themes per se, just default set of css+icons that come together with Colorbox as examples. Every CSS references its respective `images` via relative URLs, so as long as they're served in single tree, everything should work.