Just to be complete: I went to the Filemanager, which shows me the .php file, but doesn't let me edit it (I'm obviously admin, with level 10), and doesn't even want to show me the contents of the .css file.

The section [url=http://forums.b2evolution.net/viewforum.php?f=6]Templates, skins, XHTML & CSS[/url] is for questions of this type. In it you find the wonderful first guide by laibcoms: [url=http://forums.b2evolution.net/viewtopic.php?t=12671&start=0&postdays=0&postorder=asc&highlight=][[2.0a1]] Using b2evo-v2.0-alpha1 and don't know how to skin[/url]. Please ask for help on specific questions in that chapter of the forum.

Good luck

Ah, thank you very much, and sorry for posting in the wrong forum. :)