Proxima Nova in action on wedontneeddst.com

Under the hood

.header-1 { font-family: proxima-nova, sans-serif; font-size: 48px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 78px; text-transform: none; color: #267299; }
.header-2 { font-family: proxima-nova, sans-serif; font-size: 18px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 36px; text-transform: none; }
.header-3 { font-family: proxima-nova, sans-serif; font-size: 36px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 48px; text-transform: none; }