Bug 265377 - filter doesn't establish a containing block like transform
Summary: filter doesn't establish a containing block like transform
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2023-11-27 06:55 PST by Emilio Cobos Álvarez (:emilio)
Modified: 2023-12-04 06:56 PST (History)
5 users (show)

See Also:

Attachments
test-case (284 bytes, text/html)
2023-11-27 06:55 PST, Emilio Cobos Álvarez (:emilio) 		no flags Details
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Description Emilio Cobos Álvarez (:emilio) 2023-11-27 06:55:37 PST 
Created attachment 468765 [details]
test-case

See test-case. Per spec:

> A value other than none for the filter property results in the creation of a containing block for absolute and fixed positioned descendants unless the element it applies to is a document root element in the current browsing context. The list of functions are applied in the order provided.

https://drafts.fxtf.org/filter-effects-1/#FilterProperty
Comment 1 Radar WebKit Bug Importer 2023-12-04 06:56:17 PST 
<rdar://problem/119130847>