is there a guide on how to create a style for wbb 3.1?
Nice question, even i would like to know
There is a guide of showing how the style-editor works. But just in german und just for the v3.0.x. For the v3.1.x there is no guide yet.
After a few hours of testing you won't need it any more …
There are no classes or similar to "learn". like in other board softwares. Just select "new style" which creates a new "Basic" style and try coloring the elements in a very prominent color, such as orange. Then look through the pages where that colkor shows up. Just play around a little bit, you cannot damage anything.
At this time we have not the capacities to write documentations, although we would like to to …