No CSS on new install

[packetstormer]

Fresh install of latest stable on Debian. Install went well however, none of the templates I apply are being styled! Is there some trick I am missing?

[Wishbone]

When you do a "view source", what do you see?

[Rolf]

You have an url of the website?

[velden]

maybe:
{stylesheet} (old) --> {cms_stylesheet}