# html.style > CSS framework that styles semantic HTML, plus additive hs-* web components. Version 2026.1.0. No polyfills. No build step for plain pages. ## Load first - https://github.com/bstoppel/html.style/blob/main/README.md - npm package export: html.style/custom-elements.json - This site: custom-elements.json and llms.txt in the same folder as index.html ## Rules for generated markup - Prefer semantic HTML with no classes. Tags are already styled. - Layout atoms when needed: .stack .cluster .switcher .center .grid .card-grid - hs-* only to add behaviour the platform lacks. - Theme with --p-brand-hue and --color-* custom properties. - Browsers: Chrome/Edge 131+, Firefox 133+, Safari 18+. No polyfills. ## Site - index.html - getting-started.html - style.html - elements.html - extend.html - cookbook.html - compare.html - agents.html - support.html