Bitter, Open Sans with Source Sans Pro in action on tenbourne.com

.header-1 { font-family: Bitter-Italic, Times, serif; font-size: 14px; font-style: normal; font-weight: normal; letter-spacing: 1px; line-height: 28px; text-transform: uppercase; color: #CF1332; }
.header-2 { font-family: SourceSansPro-Black, Helvetica, Arial; font-size: 70px; font-style: normal; font-weight: normal; letter-spacing: 2px; line-height: 80px; text-transform: none; color: #3A4046; }
.content-1 { font-family: OpenSans, Helvetica, Arial; font-size: 18px; font-style: normal; font-weight: normal; letter-spacing: 1px; line-height: 32px; text-transform: none; color: #5D656C; }
Bitter is available from Font Squirrel, Google Web Fonts and Typekit.

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

Source Sans Pro is available from Font Squirrel, Google Web Fonts and Typekit.
Found by @mikesten on 28 Oct 2013.

Liked by:
@opposablethumb_ @bvdew @mikesten @gfbiv @brandonwalowitz @Nick_gudkov @gmogilewski @oh_sk @vasil_d @DerienBrown @_hnk_w_ca @brisayswhaat @israelobiagba @Jimmy_Franko @itswaveney @Davistbro @ughnett @seahcb @Fafnirical @JTumain @davidpozo_ @janslyn @WBartholomees @bennymountains

Bitter, Open Sans with Source Sans Pro