[Radiant] Best way to build a navigation bar with Radiant CMS?

[Andreas Semt]

@Sean,
@Ruben,

(sorry for the delay ...)
thanks for your help! I'm trying to build clean CSS code for the site.
Does anybody know if there are open source CSS builder tools? Perhaps
the can help me to develop the overall design for the site, so i could 
adjust the resulting CSS code by hand later.

Best regards,
Andreas Semt