# Uses of Interface
org.w3c.dom.css.CSSRule

Packages that use CSSRule
Package
Description
org.w3c.dom.css
Provides interfaces for DOM Level 2 Style Specification.

## Uses of CSSRule in org.w3c.dom.css

Subinterfaces of CSSRule in org.w3c.dom.css
Modifier and Type
Interface
Description
`interface`
`CSSCharsetRule`
The `CSSCharsetRule` interface represents a @charset rule in a CSS style sheet.
`interface`
`CSSFontFaceRule`
The `CSSFontFaceRule` interface represents a @font-face rule in a CSS style sheet.
`interface`
`CSSImportRule`
The `CSSImportRule` interface represents a @import rule within a CSS style sheet.
`interface`
`CSSMediaRule`
The `CSSMediaRule` interface represents a @media rule in a CSS style sheet.
`interface`
`CSSPageRule`
The `CSSPageRule` interface represents a @page rule within a CSS style sheet.
`interface`
`CSSStyleRule`
The `CSSStyleRule` interface represents a single rule set in a CSS style sheet.
`interface`
`CSSUnknownRule`
The `CSSUnknownRule` interface represents an at-rule not supported by this user agent.
Methods in org.w3c.dom.css that return CSSRule
Modifier and Type
Method
Description
`CSSRule`
CSSStyleSheet.`getOwnerRule()`
If this style sheet comes from an `@import` rule, the `ownerRule` attribute will contain the `CSSImportRule`.
`CSSRule`
CSSRule.`getParentRule()`
If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule.
`CSSRule`
CSSStyleDeclaration.`getParentRule()`
The CSS rule that contains this declaration block or `null` if this `CSSStyleDeclaration` is not attached to a `CSSRule`.
`CSSRule`
CSSRuleList.`item(int index)`
Used to retrieve a CSS rule by ordinal index.