good-css: 47 modern CSS techniques that make coding agents actually use :has() and subgrid
mattpocockuk · x · 2026-10-08
Vojta Holik released good-css, a skill pack of 47 modern CSS techniques that pushes coding agents to actually reach for features they 'know but rarely use' — :has(), subgrid, and anchor positioning. Frontend educator Matt Pocock endorsed it, noting Vojta has built most of his course sites for four years.
The post also showcases Pocock's AI Hero workflow: 27 free, one-command-installable skills covering an idea-to-ship flow (/grill-with-docs → /to-spec → /to-tickets → /implement → /code-review → /retro), plus architecture, debugging, and prototyping modules. His thesis: bad code has never been more expensive — agents degrade in messy codebases, so engineers who design agent-friendly codebases win.
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