Of course it is, but you will have to go through every single one of the Forum Files and update them to use CSS Style Tags instead of FONT tags, this is quite a big job.
You could just use the version robbear7 posted. I am using it and it is working great! You just need to manually apply the Snitz updates. But there aren't really that many updates and it doesn't take long. Here's the link to the post where he has the link to his code.