Helvetica Neue in action on k3s.io

Under the hood

.header-1 { font-family: "helvetica neue", Helvetica, Arial, sans-serif; font-size: 125px; font-style: normal; font-weight: 700; letter-spacing: normal; line-height: 129px; text-transform: none; color: #1F2326; }
.header-2 { font-family: "helvetica neue", Helvetica, Arial, sans-serif; font-size: 30px; font-style: normal; font-weight: 100; letter-spacing: 0px; line-height: 34px; text-transform: none; color: #1F2326; }
.content-1 { font-family: "helvetica neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-weight: 700; letter-spacing: normal; line-height: 24px; text-transform: none; color: #000000; }
.content-2 { font-family: "helvetica neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-weight: 700; letter-spacing: normal; line-height: 0px; text-transform: none; color: #1F2326; background-color: #EDEFF0; }