Someone built an x86 emulator in pure CSS

🚀 Frontend Focus #​730 — February 25, 2026 | Read on the web border-shape : The Future of the Non-Rectangular Web — Una shares several fun experiments with the border-shape property , calling it a “game-changer” for geometry on the web platform. It’s an early-stage feature so support is still behind a Chromium flag right now. Una Kravets 💡 In other shape-related news, Noam Rosenthal shares some insights on implementing corner-shape , a feature you can use in mainstream Chrome and Edge right now. What If Adding Auth to Your App Took One Command? — npx workos launches an AI agent that reads your project, detects your framework, and writes a complete auth integration into your existing codebase. It typechecks, builds, and self-corrects any errors. Just run npx workos . WorkOS sponsor An In-Depth Guide to Customizing Lists with CSS — Richard goes into plenty of detail here, with code examples aplenty. You’ll probably come away having learned something here. Richard Rutter Standard HTML Vid