> ## Documentation Index
> Fetch the complete documentation index at: https://superdoc-nick-sd-2099-images-core-lifecycle-placement-seman.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Styles operations

> Styles operation reference from the canonical Document API contract.

> Alpha: Document API is currently alpha and subject to breaking changes.

[Back to full reference](../index)

Document-level stylesheet mutations (docDefaults, style definitions).

| Operation                                                                                                                                                               | Member path    | Mutates | Idempotency  | Tracked | Dry run |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- | ------- | ------------ | ------- | ------- |
| <span style={{ whiteSpace: 'nowrap', wordBreak: 'normal', overflowWrap: 'normal' }}><a href="/document-api/reference/styles/apply"><code>styles.apply</code></a></span> | `styles.apply` | Yes     | `idempotent` | No      | Yes     |