Hi @gtrman97
Thanks for getting in touch with us at Auth0 Community.
You can refer to the documentation here to see the colour options using the no code editor, if there’s functionality you would like to see that isn’t present feel free to add the feedback here
To change the default tenant name you can populate the Friendly Name field in the Settings > General tab as below:
This will then be used by Universal Login as below:
Warm regards.