Examples of websites using
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)
with
GT America Mono
(GT America Mono is a monospace font designed by Noël Leu, Seb McLauchlan and released by Grilli Type in 2016. The font has a range of styles available, offering versatility in design)