IBM Plex Sans with Poppins in action on sparkgeo.com

Under the hood

.header-1 { font-family: Poppins, sans-serif; font-size: 48px; font-style: normal; font-weight: 500; letter-spacing: normal; line-height: 58px; text-transform: none; color: #FFFFFF; }
.content-1 { font-family: "IBM Plex Sans"; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 24px; text-transform: none; color: #FFFFFF; }
.content-2 { font-family: "IBM Plex Sans", sans-serif; font-size: 16px; font-style: normal; font-weight: 600; letter-spacing: 1px; line-height: 16px; text-transform: capitalize; color: #000C12; }