[Seaside] Support for CSS?

[Kamil Kukura]

>
>
> So better is to use "class" attribute, which can appear with the same 
> value multiple times. Although it can contain slash character (in case 
> of "iterator/collection"), the stylesheets won't work with it. So 
> probably it should be reformatted as class="iterator-collection".
>
Hmm, the case of sea:id="method:" also needs replacement. So perhaps 
underscore looks better:

sea:id="method:" -> class="method_"
sea:id="iterator/collection" -> class="iterator_collection"

-- 
Kamil