There are some other best practices like using relative sizes for text size, but it's not necessary to get everything right the first time
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Greninji88
Yep! Thanks! With the preferred color, I got a bit confused on how to use it.
<meta name="color-scheme" content="dark light" />
Your styles can adapt to the current color scheme using the prefers-color-scheme CSS media feature.
<meta name="color-scheme" content="dark light" />
Your styles can adapt to the current color scheme using the prefers-color-scheme CSS media feature.
Just as a continuation to the no-effort light/dark mode, consider adding a section like this:
...in order to adapt your custom text colours (where you assigned them, preferably don't touch elsewhere) to be better readable on dark backgrounds