Proxima Nova in action on zoho.com

Under the hood

.header-1 { font-family: proxima_novablack; font-size: 70px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 70px; text-transform: uppercase; color: #14182A; }
.content-1 { font-family: proxima_nova_rgregular, Lato, "Open Sans", Arial, sans-serif; font-size: 20px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 28px; text-transform: none; color: #000000; }