Libertine / century school book font

I am using OJS 2.4.2.
I want to use Libertine font for linux and Century School Book font for windows web browser’s display.

Can your please tell me what css file and items to use to set the font type for the whole site?

Ganesh Sharma

Custom CSS is uploaded for each Journal at:
User Home → Journal Manager → Setup → 5. The Look → 5.6 Journal Layout → Journal Style Sheet

Custom CSS for the Sitewide pages is uploaded at:
User Home → Site Administrator → Site Settings → Site Stylesheet