search css class in site

[Jason7899]

hi,
there is any software that can find a css class in style files or html in a site?
for example a have a site www.teste.com and i want find what place exist declared
a css class.
thanks for your help
:)

[Dormilich]

I know that FireBug (basically the webdev debugging tool) (a Firefox add-on) can do that.