Examples of websites using
Classico
(Classico is a serif font designed by Hermann Zapf and released by Linotype in 2003. The font offers a wide range of styles, including regular, italic, bold, and bold italic, providing versatility for various design projects)
with
Avenir
(Avenir is a sans-serif font designed by Adrian Frutiger and Nadine Chahine, released by Linotype in 1988. It features clean and modern letterforms and is available in multiple weights and styles)