Heebo, Karla with Montserrat in action on destigogo.com

Under the hood

.header-1 { font-family: Montserrat, sans-serif; font-size: 38px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: uppercase; color: #575757; }
.header-2 { font-family: Montserrat, sans-serif; font-size: 17px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: uppercase; color: #AFAFAF; }
.content-1 { font-family: Heebo, sans-serif; font-size: 28px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: normal; text-transform: none; color: #575757; background-color: #F5F5F5; }
.content-2 { font-family: Heebo, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: normal; text-transform: none; color: #575757; }
.content-3 { font-family: Karla, sans-serif; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: uppercase; color: #575757; }
.content-4 { font-family: Karla, sans-serif; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: uppercase; color: #575757; }
.content-5 { font-family: Montserrat, sans-serif; font-size: 24px; font-style: normal; font-weight: bold; letter-spacing: normal; line-height: normal; text-transform: uppercase; color: #575757; }

Heebo is available from Font Squirrel, Google Web Fonts and Typekit.

Karla is available from Font Squirrel and Google Web Fonts.

Montserrat is available from Font Squirrel, Google Web Fonts and Typekit.