do I have to acknowledge use of FreeBSD's *.css in my pages

[Anton Shterenlikht]

I should probably know this, but I don't.

Do I have to acknowledge FreeBSD if I use
FreeBSD's *.css for my pages?

e.g. http://seis.bris.ac.uk/~mexas/4p/

Thanks

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423