A complete guide covering all of the various methods we have to select elements in CSS and how to use them for applying styles.| CSS-Tricks
Don't let specificity force you into strict selector conventions. Cascade Layers allow us to manage specificity without resorting to naming hacks or the `!important` flag.| 12daysofweb.dev
Learn to create custom, cross-browser, theme-able, scalable radio buttons in pure CSS and ensuring styles remain accessible across states.| Modern CSS Solutions