[TYPO3-english] where is csc-header class defined

[Pero Matic]

"Dmitry Dulepov" <dmitry at typo3.org> wrote in message 
news:mailman.1.1278593864.7554.typo3-english at lists.typo3.org...
> Hi!
>
> Pero Matic wrote:
>> Dmitry, i have used FireBug but there were no classes defined for
>> csc-header,csc-default etc. That's why i asked the question here
>
> This is exactly what it means: they are not defined ;) They are added to
> markup with the purpose that you can customize corresponding elements. But
> TYPO3 does not have default values for them. That's all :)

Aha, so. Ok then :-) I thought they have some defaults defined somewhere. 
Thx.
Regards.