Emphasizing a gtk.Label

I want to give some emphasis to a Label from gtk, without breaking gnome theme (i.e. not changing colors, etc) I think bolding it would be a good option (could be also underscoring but don't like it at all). What would be the best solution? How to do it? I have found how to change colors and und

Re: Emphasizing a gtk.Label

Very useful. Thanks a lot -- http://mail.python.org/mailman/listinfo/python-list