You look to be using a older version of JFBConnect. I dont' think you'd have that with the latest release, if you're interested in upgrading. If not, the following CSS in your template should fix the problem:
This worked just fine. I know I'm not running on the latest version of JFBC, When I have a again a lot of time on my hands I will definately look at upgrading.
As for upgrading, no problem. We don't want to force anyone to upgrade and will gladly help with the 'easy' fixes so that you don't have to. There's always new features, fixes and other things in each release.. but if you're happy with what you've got, don't break it