Proxima Nova with Uni Sans in action on signaturecreative.com

Under the hood

.header-1 { font-family: uni_sans_heavyregular; font-size: 70px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 70px; text-transform: uppercase; color: #261FC5; }
.content-1 { font-family: proxima-nova; font-size: 28px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; color: #1771D2; }