I'll walk through the issues I have with the combination of Tailwind CSS and React—how style definitions get tangled up with document structure, my frustrations around scoped CSS, and how it compares to other frameworks like Astro, Svelte, and Vue.
Using the prefers-color-scheme setting, you can easily add dark mode support to your web pages. Chrome 76, released today, now supports it as well, so I'll give a quick introduction.
Background blur effects, which used to be difficult to implement in web design, can now be expressed super easily with a CSS property called backdrop-filter.