userContent.css unexpectedly affects elements in the browser UI
Categories
(Core :: CSS Parsing and Computation, defect, P3)
Tracking
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People
(Reporter: jfkthame, Unassigned)
Details
(Keywords: regression)
Spinning this off from https://bugzilla.mozilla.org/show_bug.cgi?id=1620149#c5 where the reporter mentions it.
I checked on macOS and also see the issue there. Using the reporter's userContent.css, I see unexpected blue backgrounds on toolbar buttons, for example.
Mozregression says this broke some time ago...
2:19.97 INFO: Last good revision: 27e90ec610a4c8f6b2a73d79cb1a4df38e822e6a (2018-06-21)
2:19.97 INFO: First bad revision: 16a0430796894ad4b9cb86bde55f07cf57453b56 (2018-06-22)
2:19.97 INFO: Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=27e90ec610a4c8f6b2a73d79cb1a4df38e822e6a&tochange=16a0430796894ad4b9cb86bde55f07cf57453b56
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Comment 1•6 years ago
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Are those toolbar button backgrounds in an SVG image by any chance? If so I think this "broke" with https://hg.mozilla.org/mozilla-central/rev/4c8f6b544de1a3918199086d1bd4474855581bb5
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Comment 2•6 years ago
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and if so I'm not quite sure whether it's intended or not, those svg images are not chrome documents
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Comment 3•6 years ago
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Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)
Description
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