Examples of websites using
Times New Roman
('Times New Roman' is a serif font designed by Victor Lardent and Stanley Morison, and released by Monotype in 1932. It is available in a range of styles, including regular, bold, italic, and bold italic)
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)