I'll make an additional post with more source code.
That's what I was asking for. Knowing the context elements with their classes/ids could make it possible to isolate and control the specific item. Does CSS not affect that span now at all for you, or are you having difficulty containing the effect to just that?

Do you have jQuery loaded in your site? Properly inserting the jscript_ file for the specific behavior is not all you need to do, and you didn't confirm that you have jQuery loaded.