For questions about @font-face, a rule used in Cascading Style Sheets (CSS) to specify fonts used for text. Questions about using font-faces in programming are off topic and should be asked on stackoverflow.com. Questions about using font-faces in graphic design may be more suited to graphicdesign.stackexchange.com.
@font-face is a rule used in Cascading Style Sheets (CSS) to specify fonts used for text. It allows font files on a server to be used, rather than just those on the user's device.