GT Super, Neue Haas Grotesk with Neue Haas Grotesk Display in action on checkout.com

Under the hood

.header-1 { font-family: "GT Super Display"; font-size: 86px; font-style: normal; font-weight: 700; letter-spacing: -3px; line-height: 76px; text-transform: none; color: #013A51; }
.header-2 { font-family: "Haas Grot Disp Web"; font-size: 12px; font-style: normal; font-weight: 700; letter-spacing: 0px; line-height: normal; text-transform: uppercase; color: #013A51; }
.content-1 { font-family: "Haas Grot Text Web"; font-size: 16px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 19px; text-transform: none; color: #D7E8EC; background-color: #FFFFFF; }
.content-2 { font-family: "Haas Grot Disp Web"; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 25px; text-transform: none; color: #013A51; }