I finally find some answers to my block markup questions.
I realise that semantic classes are not compatible with the Site Editor’s settings.
I find out how to add classes to WordPress blocks without breaking the WordPress editor.
I notice this site looks a bit odd. What’s going on?
My website inexplicably goes weird, but I more-or-less fix it.
I don’t want to repeatedly run sass, and it seems the developer didn’t want to either.
I want to use SCSS, so I have to install Sass.
I discover how to use CSS attribute selectors for more than just input elements.
I start learning how to write a WordPress theme.