Examples of websites using
Aperçu Mono
(Aperçu Mono is a monospace font designed by The Entente and released by Colophon Foundry in 2012. The font family consists of multiple styles, including regular and bold weights with matching italics)
with
Proxima Nova
(Proxima Nova is a sans-serif font designed by Mark Simonson Studio. It has a balanced and modern design, with a total of 120 individual styles including 12 weights and matching italics to suit various design needs)