Hi nsutterby
You can apply your newly created style editing your templates styles from template manager , if you installed quickstart version then not all menu items are using default template style , so you can assign your style to all templates layouts-
If you are still having issues then please share a website back end url and a super user account for it we will look at your settings and suggest solutions.
Take a look HERE Point-5 to see how to keep your info Private.