> lets you set font size and dark/bright theme, You do not need cookies for either of these. CSS can follow browser preferences, and browsers can change font

> lets you set font size and dark/bright theme, You do not need cookies for either of these. CSS can follow browser preferences, and browsers can change font sizes with zoom. I am not sure these cookies are covered by the regulations. No personal so not covered by GDPR. They might be covered by the ePrivacy directive (the "cookie law").