To target multiple classes that share the same prefix, you'd typically have to resort to adding an extra base classes to your markup or to using badly performing attribute selectors. To make things easier, CSS is getting a new selector: The Class Prefix Selector (.prefix-*).
Oh come on. It is 2026. Add a dark mode to your blog. You literally write about CSS.
you have to earn dark mode by reading the blog enough to write a nice dark mode userstyle