MZSoft Studio
How to Tune Owl: Presets, Sliders, Custom Colours and Fonts
TL;DR
Four presets (Default, Warm, High Contrast, Muted) and sliders cover most needs. Pick your own background and text colours, add faux bold for thin type, or replace the page font.
Start with a preset
Default, Warm, High Contrast or Muted.
Then sliders
Brightness, contrast, sepia and grayscale.
Your own look
Choose background and text colours; override the font; add faux bold if thin text is hard to read.
Dark controls
Form controls and scrollbars are restyled to match.
FAQ
What does faux bold do? Adds weight back to thin type on a dark background without changing the font.