Lato with Proxima Nova in action on grammarly.com

.content-1 { font-family: Lato, sans-serif; font-size: 21px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 27px; text-transform: none; color: #323339; }
.content-2 { font-family: Lato, sans-serif; font-size: 18px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 27px; text-transform: none; color: #323339; }
.content-3 { font-family: ProximaNova, georgia, sans-serif; font-size: 72px; font-style: normal; font-weight: 300; letter-spacing: -1.872px; line-height: 72px; text-transform: none; color: #000000; }
.content-4 { font-family: ProximaNova, georgia, sans-serif; font-size: 21px; font-style: normal; font-weight: 500; letter-spacing: normal; line-height: 45px; text-transform: none; color: #FFFFFF; }
Lato is available from Font Squirrel, Google Web Fonts, Open Font Library and Typekit.

Proxima Nova is available from Fonts.com, Fontspring, MyFonts, Typekit and YouWorkForThem.
Found by @mikesten on 1 Apr 2017.

Liked by:
@mikesten @johnragon @karmenn9 @Visitasalasa @rouse_kendra

Lato with Proxima Nova