[fetistyle] Nastavг­ Link

: A CSS framework or JavaScript plugin used to define visual styles on a page.

: This is a proper noun or identifier. In digital contexts, text in brackets often denotes a category, a prefix for a mod (modification), or the name of a specific software suite. Nastaví : In Czech, nastavení means "settings." [FetiStyle] NastavГ­

If you are looking for an "essay" or a detailed explanation of this term, it most commonly appears in: : A CSS framework or JavaScript plugin used

Nastaví (the third-person singular) translates to "will set" or "[it] configures." a prefix for a mod (modification)