@mui/system/modern/CSSProperties.d.ts

MUI System is a set of CSS utilities to help you build custom designs more efficiently. It makes it possible to rapidly lay out custom designs.

import * as CSS from 'csstype';

/**
 * All non-vendor-prefixed CSS properties. (Also allows `number` in order to support CSS-in-JS libs,
 * since they are converted to `px`.)
 */
export interface CSSProperties extends CSS.StandardProperties<number | string>, CSS.SvgProperties<number | string> {}