CSS 2.1 test suite
E242846
The CSS 2.1 test suite is a comprehensive collection of tests designed to verify browser conformance to the CSS 2.1 specification.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CSS 2.1 test suite canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2175171 — 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 2.1 test suite Context triple: [Ian Hickson, workedOn, CSS 2.1 test suite]
-
A.
CSS Level 1 specification
The CSS Level 1 specification is the original World Wide Web Consortium standard that introduced Cascading Style Sheets as a way to control the presentation of HTML documents on the web.
-
B.
CSS Level 2
CSS Level 2 is a W3C-defined style sheet language specification that extends the original CSS with more advanced layout, positioning, and media features for web documents.
-
C.
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.
-
D.
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.
-
E.
W3C CSS specifications
W3C CSS specifications are the official World Wide Web Consortium standards that define how Cascading Style Sheets control the presentation and layout of web content across browsers and devices.
- 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 2.1 test suite Target entity description: The CSS 2.1 test suite is a comprehensive collection of tests designed to verify browser conformance to the CSS 2.1 specification.
-
A.
CSS Level 1 specification
The CSS Level 1 specification is the original World Wide Web Consortium standard that introduced Cascading Style Sheets as a way to control the presentation of HTML documents on the web.
-
B.
CSS Level 2
CSS Level 2 is a W3C-defined style sheet language specification that extends the original CSS with more advanced layout, positioning, and media features for web documents.
-
C.
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.
-
D.
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.
-
E.
W3C CSS specifications
W3C CSS specifications are the official World Wide Web Consortium standards that define how Cascading Style Sheets control the presentation and layout of web content across browsers and devices.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World Wide Web Consortium resource
ⓘ
conformance test suite ⓘ software test suite ⓘ |
| accessMode |
downloadable archive
ⓘ
web-based ⓘ |
| componentOf |
W3C CSS test suites
ⓘ
linked to:
Cascading Style Sheets test suites
|
| contributesTo |
consistent CSS behavior across browsers
ⓘ
web interoperability ⓘ |
| domain |
web browser rendering
ⓘ
web standards ⓘ |
| executionEnvironment |
CSS user agents
ⓘ
web browsers ⓘ |
| focusesOn |
CSS box model
ⓘ
CSS cascade and inheritance ⓘ CSS color and backgrounds ⓘ CSS fonts ⓘ CSS generated content ⓘ CSS media types ⓘ CSS positioning ⓘ
linked to:
CSS Positioning Module
CSS selectors ⓘ CSS tables ⓘ CSS visual formatting model ⓘ |
| hasPart |
individual CSS 2.1 feature tests
ⓘ
reference renderings ⓘ test metadata ⓘ |
| language |
HTML
ⓘ
XHTML ⓘ |
| license | W3C Document License ⓘ |
| maintainedBy | W3C CSS Working Group ⓘ |
| publisher |
W3C
ⓘ
linked to:
World Wide Web Consortium
World Wide Web Consortium ⓘ |
| purpose |
aid interoperability between CSS user agents
ⓘ
provide a common reference for CSS 2.1 implementation testing ⓘ verify browser conformance to the CSS 2.1 specification ⓘ |
| relatedTo |
CSS 2.1 Recommendation
ⓘ
linked to:
CSS Level 2.1
CSS Working Group ⓘ
linked to:
W3C CSS Working Group
|
| status | completed for CSS 2.1 Recommendation conformance testing ⓘ |
| styleLanguage | CSS ⓘ |
| supportsActivity |
comparison of different browser implementations
ⓘ
regression testing of CSS implementations ⓘ |
| targetStandard |
CSS 2.1 specification
ⓘ
linked to:
CSS Level 2.1
Cascading Style Sheets Level 2 Revision 1 ⓘ
linked to:
CSS Level 2.1
|
| testType |
black-box conformance tests
ⓘ
rendering comparison tests ⓘ |
| usedBy |
CSS engine implementers
ⓘ
quality assurance teams ⓘ web browser vendors ⓘ web standards testers ⓘ |
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 2.1 test suite Description of subject: The CSS 2.1 test suite is a comprehensive collection of tests designed to verify browser conformance to the CSS 2.1 specification.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.