We show you a CSS property name. You tell us if it's real or if we made it up. That's it. It starts easy. It does not stay easy. The CSS spec has over 600 properties. Some of them sound made up. Some of our fakes sound terrifyingly real. Good luck.

The goal was to make it so that when the browser switched from light/dark modes, themed elements would switch to their inverse theme. The trick I uncovered was setting the current theme as a CSS variable.

While I firmly believe the best way to get started with SVG filters is to just start using SVG filters, I’d also like to provide this starter’s guide, the stuff I wish I had read while getting into all this.

For different values of the text-stroke-width, browsers will automatically draw outlines of the character, The larger you set the stroke width, the thicker the outline will get, while still maintain its original shape. The next step is to use different colors and put them in order.

Intl is built on one core idea: you have a type of data, and you want an easy way to format it in natural language. Whether you're formatting dates, numbers, currencies, lists, plurals, words, or sorted strings, the API shape stays similar.