Combining CSS :has() And HTML <select> For Greater Conditional Styling

Even though the CSS :has() pseudo-class is relatively new, we already know a lot about it, thanks to many, many articles and tutorials demonstrating its powerful ability to conditionally select elements based on their contents. We’ve all seen the card component and header examples, but the conditional nature of :has() actually makes it adept at working with form controls, which are pretty conditional in nature as well.
Let’s look specifically at the <select> element. With it, w