Searching giant style sheets

Hey folks,

I'm working on a site that has an enormous style sheet (not my own) and
I'm contstantly having to search for styles found in the code to see
what they are doing. But scanning the css in the design panel is really
tedious. Anybody know any tricks for searching for styles? I could open
them each up individually and search, but that seems a bit involved as
well, since there are several.

Jim