Lato with Source Sans Pro in action on admitted.ly

Under the hood

.header-1 { font-family: Lato, 'Lucida Grande', sans-serif; font-size: 45px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 45px; text-transform: none; color: #FFFFFF; }
.content-1 { font-family: 'Source Sans Pro', Helvetica, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 25px; text-transform: none; color: #FFFFFF; }