Open Sans in action on inside.com

.header-1 { font-family: "Open Sans", sans-serif; font-size: 70px; font-style: normal; font-weight: 500; letter-spacing: normal; line-height: 77px; text-transform: none; color: #FFFFFF; }
.content-1 { font-family: "Open Sans", sans-serif; font-size: 22px; font-style: normal; font-weight: normal; letter-spacing: normal; line-height: 31.4286px; text-transform: none; color: #FFFFFF; }
.content-2 { font-family: "Open Sans", sans-serif; font-size: 18px; font-style: normal; font-weight: bold; letter-spacing: normal; line-height: 25.7143px; text-transform: none; color: #000000; background-color: #FFFFFF; }
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 22 Sep 2016.

Liked by:
@mikesten @heathergillette @jaanjos @Jimmy_Franko

Open Sans