Examples of websites using
Arno
(Arno is a serif font designed by Robert Slimbach and released by Adobe in 2007. The font family includes a range of styles, with variations in weights and 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)