RESOLVED INVALID 159860
negative z-index with transform rotatex 
https://bugs.webkit.org/show_bug.cgi?id=159860
Summary negative z-index with transform rotatex
Joey Hoer
Reported 2016-07-16 19:13:04 PDT
Created attachment 283857 [details] Example of negative z-index with transform rotatex Elements with a negative `z-index` and `transform: rotatex(…)` break z-index stacking.
Attachments
Example of negative z-index with transform rotatex (285 bytes, text/html)
2016-07-16 19:13 PDT, Joey Hoer 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2016-07-18 10:11:54 PDT
You're seeing element intersection. There's poor interop between browsers with this, but it behaves as described in the current draft of the CSS transforms spec.
Joey Hoer
Comment 2 2016-07-18 10:37:11 PDT
You're right. Link to the spec: http://www.w3.org/TR/css-transforms-1/#3d-transform-rendering. See Example 9.
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