Forum:How to make the effect when your'e hovering on a link on css

I desperately need this right now because I want to add some flair on my wiki, Gabby's Dollhouse wiki I'm its founder, trying to fix it up a bit, hopefully no vandalism goes here because I just made the policies (Im not yet done with the consequences), but still, not yet finished. so, pls show me the css code for that effect when you're hovering over a link. pls pls pls!

2:23pm PHT