CSS Fullscreen Module Level 1
E242835
CSS Fullscreen Module Level 1 is a W3C specification that defines how CSS should behave and be applied when elements are presented in fullscreen mode.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CSS Fullscreen Module Level 1 canonical | 1 |
| css-fullscreen-1 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2174986 — 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 Fullscreen Module Level 1 Context triple: [Fullscreen API Standard, relatedTo, CSS Fullscreen Module Level 1]
-
A.
Fullscreen API Standard
The Fullscreen API Standard is a web specification that defines how websites can programmatically display elements in full-screen mode across browsers.
-
B.
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.
-
C.
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.
-
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.
CSS Logical Properties and Values Module
CSS Logical Properties and Values Module is a W3C CSS specification that defines flow-relative, writing-mode–aware properties and values to enable more flexible, internationalized page layouts.
- 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 Fullscreen Module Level 1 Target entity description: CSS Fullscreen Module Level 1 is a W3C specification that defines how CSS should behave and be applied when elements are presented in fullscreen mode.
-
A.
Fullscreen API Standard
The Fullscreen API Standard is a web specification that defines how websites can programmatically display elements in full-screen mode across browsers.
-
B.
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.
-
C.
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.
-
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.
CSS Logical Properties and Values Module
CSS Logical Properties and Values Module is a W3C CSS specification that defines flow-relative, writing-mode–aware properties and values to enable more flexible, internationalized page layouts.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
CSS specification
ⓘ
W3C specification ⓘ technical standard ⓘ |
| appliesTo |
HTML documents
ⓘ
SVG documents ⓘ XML-based documents supporting fullscreen ⓘ |
| compatibleWith |
HTML5 Fullscreen API
ⓘ
linked to:
Fullscreen API Standard
|
| conformsTo | W3C Process Document ⓘ |
| defines |
UA requirements for fullscreen styling
ⓘ
fullscreen rendering behavior for CSS ⓘ fullscreen top layer behavior ⓘ how CSS applies to elements in fullscreen mode ⓘ |
| definesBehaviorFor |
exiting fullscreen
ⓘ
fullscreen transitions ⓘ nested fullscreen elements ⓘ |
| definesPseudoClass |
:-moz-full-screen
ⓘ
:-ms-fullscreen ⓘ :-webkit-full-screen ⓘ :fullscreen ⓘ |
| editorialGroup |
CSS Working Group
ⓘ
linked to:
W3C CSS Working Group
Web Applications Working Group ⓘ |
| focusesOn | presentation of elements in fullscreen mode ⓘ |
| governs |
how replaced elements behave in fullscreen
ⓘ
how viewport-like behavior is handled in fullscreen ⓘ styling of elements when they are in fullscreen ⓘ |
| hasVersion | Level 1 ⓘ |
| intendedAudience |
browser implementers
ⓘ
specification writers ⓘ web authors ⓘ |
| partOf |
Cascading Style Sheets
ⓘ
linked to:
CSS
|
| relatedTo |
CSS Cascading and Inheritance
ⓘ
linked to:
CSS Cascade and Inheritance Module
CSS Pseudo-Elements Module ⓘ Fullscreen API ⓘ
linked to:
Fullscreen API Standard
|
| securityAndPrivacyConsiderations |
prevents spoofing of browser UI in fullscreen
ⓘ
requires visible exit mechanisms for fullscreen ⓘ |
| shortName |
css-fullscreen-1
ⓘ
linked to:
CSS Fullscreen Module Level 1
|
| specifies |
how UA default styles apply in fullscreen
ⓘ
how focus and keyboard interaction affect fullscreen styling ⓘ how the :fullscreen pseudo-class behaves ⓘ interaction between fullscreen elements and the top layer ⓘ rendering order of fullscreen elements ⓘ restrictions on author styles in fullscreen ⓘ |
| standardBody |
W3C
ⓘ
linked to:
World Wide Web Consortium
World Wide Web Consortium ⓘ |
| status | W3C Candidate Recommendation ⓘ |
| usesConcept |
UA style sheets
ⓘ
document fullscreen element ⓘ fullscreen element ⓘ top layer ⓘ |
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 Fullscreen Module Level 1 Description of subject: CSS Fullscreen Module Level 1 is a W3C specification that defines how CSS should behave and be applied when elements are presented in fullscreen mode.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CSS Fullscreen Module Level 1