This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
CSS by T. Afif
css-only.dev
did:plc:kzbz4qsltwkq3baxgue7ju4k
Many people get confused when they try to combine the :is() selector with pseudo-elements, so I wrote something to clarify why it doesn't work the way they want.
https://css-tip.com/is-before-after/
It looks counter-intuitive, but it's logical if we understand how the :is() selector actually works.
2025-09-22T11:31:25.006Z