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url: /api/packages/core/src/interfaces/CssContribution.md
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[pantoken-root](../../../../index.md) / [packages/core/src](../index.md) / CssContribution

# Interface: CssContribution

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A CSS contribution a plugin can return from its `css` hook.

## Properties

### prepend?

> `optional` **prepend?**: `string`

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Raw CSS emitted before the generated base.

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### append?

> `optional` **append?**: `string`

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Raw CSS emitted after the generated base.

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### properties?

> `optional` **properties?**: `PropertyRule`\[]

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Typed `@property` registrations to add.

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### declarations?

> `optional` **declarations?**: \[`string`, `string`]\[]

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Scoped `--var: value` declarations to add.

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### marker?

> `optional` **marker?**: `string`

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A `data-*` marker for the emitted block, for debugging.