Open Sans in action on pluralapp.com

.header-1 { font-family: 'Open Sans', sans-serif; font-size: 30px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 35px; text-transform: none; color: #EEEEEE; }
.content-1 { font-family: 'Open Sans', sans-serif; font-size: 12px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 19.200000762939453px; text-transform: none; color: #EEEEEE; }
.content-2 { font-family: 'Open Sans', sans-serif; font-size: 14px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 25px; text-transform: none; color: #EEEEEE; }
.content-3 { font-family: 'Open Sans', sans-serif; font-size: 14px; font-style: normal; font-weight: 600; letter-spacing: normal; line-height: 25px; text-transform: none; color: #EEEEEE; }
Open Sans is available from Font Squirrel, Google Web Fonts, MyFonts and Typekit.

Try this combination out in Pair and Compare.
Found by @mikesten on 12 Aug 2014.

Liked by:
@pluralapp @seakitteh @Malrow @Fafnirical @atreslesne @athyuttamre @mikesten @MarceI @iRajanand @pacoespinoza @moiseev_igor

Open Sans