CSS Houdini

The CSS Houdini APIs that expose parts of the browser's styling engine, from registering typed custom properties to custom paint and layout.

Content tagged houdini

• Tutorial:Animate and Type-Check CSS Variables with @property

  Give CSS custom properties real types so they animate.

  Register CSS custom properties (CSS variables) with @property — a syntax, an inherits rule and an initial value — so they animate in transitions and keyframes, fall back safely on invalid values and always have a default. Covers rotating gradients, counting numbers and per-axis motion, CSS.registerProperty(), performance, browser fallbacks and common pitfalls.