If you mean a predefined style then there are none, at least there are no official ones, and if there are any unofficial ones I would steer well clear. Prosilver has not even been released as beta it is still only available in CVS and as such it totally unsupported.
You can however change the colours via the ACP
David Remember: You only know what you know and - you don't know what you don't know! My CDB Contributions | How to install an extension I will not be accepting translations for any of my extensions in Github - please post any translations in the appropriate topic. No support requests via PM or email as they will be ignored