Different background colors for different forum levels

[cquencer]

Reported by Svein W.

This goes only for the forum listing in the background and is a feature request.

Even if the levels are indented, it is sometimes difficult to get an overview of the structure of the forum. It would maybe help if we could choose a very light color background for some of the levels, especially level 1. A little bit like the light color on the background of this ticket area that helps make the editor area stand out better.

[Evanion]

Adding a class generated by the forum sublevelname would let webmasters and webconsultants change site background depending on the forum, unless i have missed what this issue is about.