I\'m a bit stuck with this one. I have an article list with snippets that link off to the full article. when you hover over each blurb a bar appears at the bottom of the blu
This is not an answer, this is a comment! Hopefully I'll come back and work on it and turn it into an answer.
Dealing with the same problem. Firefox + hidden container. Only difference is I'm using an onclick slideDown/slideUp to unhide/hide, but I think that's irrelevant.
Stripped down, my html looks like so:
I've noticed that the difference between hidden and unhidden container, that is, removing my 'hide' class from div#fb_like_button, the and that facebook places inside div.fb-like changes style attributes width and height.
So, when the page is rendered (again, heavily stripped down html)
unhidden: