# MDN CSS dataThis folder contains data about the different features of the [CSS](https://developer.mozilla.org/en-US/docs/Web/CSS) language.## Different types of CSS dataThe CSS data is split into these parts:***at-rules**:[data](https://github.com/mdn/data/blob/master/css/at-rules.json) |[schema](https://github.com/mdn/data/blob/master/css/at-rules.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/at-rules.md)***properties**:[data](https://github.com/mdn/data/blob/master/css/properties.json) |[schema](https://github.com/mdn/data/blob/master/css/properties.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/properties.md)***selectors**:[data](https://github.com/mdn/data/blob/master/css/selectors.json) |[schema](https://github.com/mdn/data/blob/master/css/selectors.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/selectors.md)***syntaxes**:[data](https://github.com/mdn/data/blob/master/css/syntaxes.json) |[schema](https://github.com/mdn/data/blob/master/css/syntaxes.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/syntaxes.md)***types**:[data](https://github.com/mdn/data/blob/master/css/types.json) |[schema](https://github.com/mdn/data/blob/master/css/types.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/types.md)***units**:[data](https://github.com/mdn/data/blob/master/css/units.json) |[schema](https://github.com/mdn/data/blob/master/css/units.schema.json) |[docs](https://github.com/mdn/data/blob/master/css/units.md)