Examples of websites using
Cooper BT
(Cooper BT is a serif font designed by Oswald Bruce Cooper and released by Bitstream in 1920. The family includes a variety of weights and styles)
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)