Add a class to custom taxonomies

This is probably a pretty simple one, but I’m running into a wall searching tuts on Google and wasn’t able to find an existing thread in the forum.

I’m am setting up a portfolio, and created a custom taxonomy called ‘Services’. What I want to do is display the services in the portfolio posts (a custom post type) and also have them include a CSS class so that I can add icons to them.

For example, in on post I might select “Design” and “Hosting” from the services menu, when those are displayed I would like the class to be something like “services-design” and “services-hosting”, respectively.