Ideal Sans with Sentinel in action on backofanapkin.co.nz

Under the hood

.header-1 { font-family: 'Sentinel A', 'Sentinel B', Georgia, serif; font-size: 36px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 36px; text-transform: none; color: #222222; }
.content-1 { font-family: 'Ideal Sans A', 'Ideal Sans B', sans-serif; font-size: 48px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 60px; text-transform: none; color: #00CC55; background-color: #FFFFFF; }
.content-2 { font-family: 'Ideal Sans A', 'Ideal Sans B', sans-serif; font-size: 24px; font-style: normal; font-weight: 500; letter-spacing: 4px; line-height: 24px; text-transform: uppercase; color: #BBBBBB; }
.content-3 { font-family: 'Ideal Sans SSm Caps A', 'Ideal Sans SSm Caps B', serif; font-size: 17px; font-style: normal; font-weight: 300; letter-spacing: 2px; line-height: 17px; text-transform: lowercase; color: #222222; }