Fakt in action on abstractapp.com

Under the hood

.header-1 { font-family: Fakt, "San Francisco", -apple-system, system-ui, ".SFNSText-Regular", "Helvetica Neue", Helvetica, sans-serif; font-size: 81px; font-style: normal; font-weight: bold; letter-spacing: -3px; line-height: 72.9px; text-transform: none; color: #2E2F30; }
.content-1 { font-family: Fakt, "San Francisco", -apple-system, system-ui, ".SFNSText-Regular", "Helvetica Neue", Helvetica, sans-serif; font-size: 21.6px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 36.54px; text-transform: none; color: #2E2F30; }
.content-2 { font-family: Fakt, "San Francisco", -apple-system, system-ui, ".SFNSText-Regular", "Helvetica Neue", Helvetica, sans-serif; font-size: 21.6px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 36.54px; text-transform: none; color: #2E2F30; }