This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
MDN Web Docs
developer.mozilla.org
did:plc:a4klb3lge3phlc4az4uspfpo
CSS nesting is now Baseline π
Write nested selectors directly in CSS β just like Sass, but natively.
.card {
color: black;
&:hover { color: blue; }
.title { font-weight: bold; }
}
No preprocessor needed.
Learn more π
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_nesting
2026-03-29T07:00:07.291Z