Heebo, Karla with Montserrat in action on destigogo.com

• .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 Adobe Fonts, Font Squirrel, Google Web Fonts and Typekit.