Konnect with System UI in action on threads.com

Under the hood

.content-1 { font-family: "Konnect SemiBold", serif; font-size: 32px; font-style: normal; font-weight: 400; letter-spacing: 0px; line-height: 44px; text-transform: none; color: #FFFFFF; }
.content-2 { font-family: "Konnect SemiBold", serif; font-size: 34px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 44px; text-transform: none; color: #FFFFFF; }
.content-3 { font-family: "Konnect SemiBold", serif; font-size: 32px; font-style: normal; font-weight: 400; letter-spacing: 0px; line-height: 44px; text-transform: none; color: #FFFFFF; }
.content-4 { font-family: "system-ui", -apple-system, "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif, serif; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 25px; text-transform: none; color: #DDDEE2; }
.content-5 { font-family: "system-ui", -apple-system, "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif, serif; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 25px; text-transform: none; color: #DDDEE2; }