The day has come ... rejoice!!! If you are like me & you've been hoping - one day - Forms will allow you more control over the font of your Form and the colors of the Form ... the day has come!!!! G Suite users will soon (if not already available in your account) be able to do all of these things.
Click HERE to read the official announcement from G Suite.
Click HERE to go directly to the Docs Editor Help page which explains the "how to" do all these things.