CSS Conditional Rules Module Level 3
E571428
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| CSS Conditional Rules Module Level 3 canonical | 2 |
| Media Queries Level 3 | 2 |
| Media Queries Level 4 | 1 |
| Media Queries Level 5 | 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 NERFINISHED ⓘ |
| belongsTo | Cascading Style Sheets (CSS) NERFINISHED ⓘ |
| defines |
@document at-rule
ⓘ
@media at-rule ⓘ @page-based conditional rules conceptually ⓘ @supports at-rule ⓘ CSSConditionRule interface NERFINISHED ⓘ CSSGroupingRule extensions for conditional rules ⓘ OM (Object Model) for conditional rules NERFINISHED ⓘ 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 NERFINISHED ⓘ |
| hasStatus | W3C Candidate Recommendation NERFINISHED ⓘ |
| hasVersion | Level 3 ⓘ |
| language | English ⓘ |
| partOf | CSS Level 3 NERFINISHED ⓘ |
| publishedBy |
W3C CSS Working Group
NERFINISHED
ⓘ
World Wide Web Consortium NERFINISHED ⓘ |
| relatedTo |
CSS Cascading and Inheritance Level 3
NERFINISHED
ⓘ
CSSOM (CSS Object Model) NERFINISHED ⓘ Media Queries Level 3 NERFINISHED ⓘ Media Queries Level 4 NERFINISHED ⓘ |
| 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: CSS Conditional Rules Module Level 3 Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Media Queries Level 3
this entity surface form:
Media Queries Level 3
this entity surface form:
Media Queries Level 5
this entity surface form:
Media Queries Level 4