/* skins/bfbGrove/css/bootstrap.min.css */
/* skins/bfbGrove/css/glyphicons.css */
html,
html .halflings {....
Incidentally, the way the different css files are commented in each cached css is different. Site A (the good site) shows the comments from each css, while Site B appears to strip them out and simply has the css path commented as a header.
updated by @blindmime: 01/25/14 03:07:43AM