@microsoft/fast-foundation > CSSDesignToken
CSSDesignToken interface
A that emits a CSS custom property.
Signature:export interface CSSDesignToken<T extends string | number | boolean | BigInteger | null | Array<any> | symbol | ({
    createCSS?(): string;
} & Record<PropertyKey, any>)> extends DesignToken<T>, CSSDirective 
Properties
| Property | Type | Description | 
|---|---|---|
| cssCustomProperty | string | The formatted as a CSS custom property if the token is configured to write a CSS custom property. | 
Methods
| Method | Description | 
|---|---|
| createCSS() |