CSS Conditional Rules Module Level 3

E571428

CSS specification

CSS Conditional Rules Module Level 3 is a CSS specification that defines conditional group rules like @media, @supports, and related constructs for applying styles based on conditions such as device capabilities or feature support.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
CSS Conditional Rules Module Level 3 canonical	2
Media Queries Level 3	2
CSSConditionRule interface	1
CSSSupportsRule interface	1
Media Queries Level 4	1
Media Queries Level 5	1
OM (Object Model) for conditional rules	1
css-conditional-3	1

How this entity was disambiguated

This entity first appeared as the object of triple T6134023 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: CSS Conditional Rules Module Level 3
Context triple: [CSS Level 3 modules, includesModule, CSS Conditional Rules Module Level 3]

A. CSS Level 3 modules
CSS Level 3 modules are a collection of W3C specifications that extend and refine Cascading Style Sheets by defining advanced layout, styling, and presentation features for the web.
B. CSS Cascade and Inheritance Module
The CSS Cascade and Inheritance Module is a W3C specification that defines how CSS declarations are prioritized, combined, and passed down through the document tree to determine the final computed styles of elements.
C. CSS Level 4
CSS Level 4 refers to the next generation of Cascading Style Sheets specifications that introduce more advanced layout, styling, and design capabilities for the web beyond earlier CSS levels.
D. CSS Level 2.1
CSS Level 2.1 is a refined and clarified revision of the CSS2 specification that became the primary W3C recommendation for defining the presentation of HTML and XML documents on the web.
E. CSS Backgrounds and Borders Module
The CSS Backgrounds and Borders Module is a W3C CSS specification that defines advanced features for styling element backgrounds, borders, and related visual effects on the web.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: CSS Conditional Rules Module Level 3
Target entity description: CSS Conditional Rules Module Level 3 is a CSS specification that defines conditional group rules like @media, @supports, and related constructs for applying styles based on conditions such as device capabilities or feature support.

A. CSS Level 3 modules
CSS Level 3 modules are a collection of W3C specifications that extend and refine Cascading Style Sheets by defining advanced layout, styling, and presentation features for the web.
B. CSS Cascade and Inheritance Module
The CSS Cascade and Inheritance Module is a W3C specification that defines how CSS declarations are prioritized, combined, and passed down through the document tree to determine the final computed styles of elements.
C. CSS Level 4
CSS Level 4 refers to the next generation of Cascading Style Sheets specifications that introduce more advanced layout, styling, and design capabilities for the web beyond earlier CSS levels.
D. CSS Level 2.1
CSS Level 2.1 is a refined and clarified revision of the CSS2 specification that became the primary W3C recommendation for defining the presentation of HTML and XML documents on the web.
E. CSS Backgrounds and Borders Module
The CSS Backgrounds and Borders Module is a W3C CSS specification that defines advanced features for styling element backgrounds, borders, and related visual effects on the web.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	CSS specification ⓘ
appliesTo	CSS style sheets ⓘ linked to: CSS
belongsTo	Cascading Style Sheets (CSS) ⓘ
defines	@document at-rule ⓘ @media at-rule ⓘ @page-based conditional rules conceptually ⓘ @supports at-rule ⓘ CSSConditionRule interface ⓘ linked to: CSS Conditional Rules Module Level 3 CSSGroupingRule extensions for conditional rules ⓘ OM (Object Model) for conditional rules ⓘ linked to: CSS Conditional Rules Module Level 3 cascading behavior for conditional group rules ⓘ parsing rules for conditional group rules ⓘ syntax for conditional group rules ⓘ
definesConcept	condition evaluation for style rules ⓘ conditional group rule ⓘ feature query ⓘ media query list in @media ⓘ
enables	applying styles based on CSS feature support ⓘ applying styles based on media features ⓘ grouping style rules under conditions ⓘ
extends	CSS 2.1 @media definition ⓘ
focusesOn	conditional application of style rules ⓘ device and environment dependent styling ⓘ feature support based styling ⓘ
governs	conditional application of CSS declarations ⓘ
hasShortName	css-conditional-3 ⓘ linked to: CSS Conditional Rules Module Level 3
hasStatus	W3C Candidate Recommendation ⓘ
hasVersion	Level 3 ⓘ
language	English ⓘ
partOf	CSS Level 3 ⓘ linked to: CSS Level 3 modules
publishedBy	W3C CSS Working Group ⓘ World Wide Web Consortium ⓘ
relatedTo	CSS Cascading and Inheritance Level 3 ⓘ linked to: CSS Cascade and Inheritance Module CSSOM (CSS Object Model) ⓘ linked to: CSS Object Model (CSSOM) Media Queries Level 3 ⓘ linked to: CSS Media Queries Media Queries Level 4 ⓘ linked to: CSS Media Queries
specifies	conditional group rules in CSS ⓘ error handling for conditional rules ⓘ how nested conditional rules behave ⓘ how unsupported conditions are ignored ⓘ
standardizes	feature queries via @supports ⓘ how conditional rules nest style rules ⓘ media queries usage in @media ⓘ
usedBy	web browsers ⓘ web developers ⓘ

How these facts were elicited