JetBrains Mono in action on quantox.com

Under the hood

.header-1 { font-family: "JetBrains Mono", sans-serif; font-size: 125px; font-style: normal; font-weight: 700; letter-spacing: normal; line-height: 125px; text-transform: uppercase; color: #97C93D; }
.content-1 { font-family: "JetBrains Mono", sans-serif; font-size: 14px; font-style: normal; font-weight: 400; letter-spacing: normal; line-height: 22px; text-transform: none; color: #FFFFFF; }