Under the hood
Abel is available from Font Squirrel, Fontspring, Google Web Fonts, MyFonts and YouWorkForThem.
Oswald is available from Adobe Fonts, Font Squirrel, Google Web Fonts and Typekit.
Lucida Grande is available from Adobe Fonts, Fonts.com and MyFonts.
Arial is available from Adobe Fonts, Fonts.com and MyFonts.
Helvetica Neue is available from Adobe Fonts.