Bug 119971 – If the element's parent has position=fixed and perspective styles, it won't inherit parent's position=fixed style unless it has CSS transform style.

• Status: RESOLVED
• Resolution: CONFIGURATION CHANGED
• Component: CSS

[Rui Zou]

If the element's parent has position=fixed and perspective styles, it won't inherit parent's position=fixed style unless it has CSS transform style.

Steps to reproduce:
1. Open the attached test files and try it on latest Chrome or Opera.
2. Scroll the scrollbar.

Expected results:
1. The green element is fixed in the window.

Actual results: 
2. The green element isn't fixed in the window.

[Rui Zou]

Created attachment 209018 [details]
perspective demo

[Ahmad Saleem]

I am unable to reproduce this bug using the demo code from attached and changing it into JSFiddle:

Link - https://jsfiddle.net/56b2suo0/show

In Safari 15.6, I see "green" box with "red" tilted square and when scrolled, they remain on same place, which matches wit all other browsers (Chrome Canary 106 and Firefox Nightly 104). I think it was fixed along the way and this can be marked as "RESOLVED CONFIGURATION CHANGED". Thanks!