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
Futura PT
(Futura PT is a geometric sans-serif font designed by Vladimir Yefimov and Isabella Chaeva and released by ParaType in 1991. The font family consists of multiple styles with varying weights and italics)