Haver adds two new themes to the standard themes.
A dark theme called HaverDarkTheme:
and another theme called HaverDarkPhisherBryceTheme.The later adds distinctive colors for the shout syntax highlighting and is the default theme 1:
Themes can be selected with the Preferences menu – select and answer any questions with “No”:
I am aware that some people will accuse me of endangering them with eye cancer, but the colors help me to overcome the disadvantages of my diminishing eyesight.