Fallback Fonts in Neve
Fallback font families are used while fonts from Google Fonts or Typekit are loading or cannot be loaded at all.
In the Customizer, you can find a global fallback font selector under Typography > General.
This will only contain fonts that are available to the system, even if your computer is offline.
💡 Result
Below you can see how the web page will act inside the browser while loading the fonts. It will first use the fallback font while loading the other ones: