Museo Slab with Open Sans in action on nestio.com

• .header-1 { font-family: museo-slab, sans-serif; font-size: 58px; font-style: normal; font-weight: 500; letter-spacing: normal; line-height: normal; text-transform: none; color: #FFFFFF; }
• .header-2 { font-family: open-sans, sans-serif; font-size: 36px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 38px; text-transform: none; color: #FFFFFF; }
• .header-3 { font-family: open-sans, sans-serif; font-size: 36px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 38px; text-transform: none; color: #393939; }
• .content-1 { font-family: open-sans, sans-serif; font-size: 22px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 32px; text-transform: none; color: #CCE6F6; }
• .content-2 { font-family: open-sans, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: normal; text-transform: none; color: #FFFFFF; background-color: #0072B0; }
• .content-3 { font-family: open-sans, sans-serif; font-size: 16px; font-style: italic; font-weight: 300; letter-spacing: normal; line-height: normal; text-transform: none; color: #393939; }
• .content-4 { font-family: open-sans, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: normal; text-transform: none; color: #FFFFFF; background-color: #0072B0; }

Museo Slab is available from Adobe Fonts, Font Squirrel, Fonts.com, Fontspring, MyFonts and Typekit.

Open Sans is available from Adobe Fonts, Font Squirrel, Google Web Fonts, MyFonts and Typekit.