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Starred by 27 users

Issue metadata

Status: Available
Owner: ----
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 3
Type: Feature

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Add support for CSS prefers-color-scheme media feature

Reported by, Sep 25

Issue description

UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:62.0) Gecko/20100101 Firefox/62.0

Steps to reproduce the problem:
Try to use prefers-color-scheme media query.

What is the expected behavior?
prefers-color-scheme media query should report the user's preference about the OS color scheme.

What went wrong?
prefers-color-scheme media query is ignored.

Did this work before? No 

Does this work in other browsers? No
 This is a new media query added to CSS Media Queries Level 5 to utilize the dark mode preference operating systems provide.

Chrome version: <Copy from: 'about:version'>  Channel: n/a
OS Version: OS X 10.14
Flash Version: 

Link to spec:
Labels: Needs-Milestone
Labels: -Type-Bug Type-Feature
Labels: -Pri-2 Pri-3
Status: Available (was: Unconfirmed)
Support for this has arrived in Safari Technology Preview 68.
cc ellyjones@ re: our conversation earlier this week about interaction of dark mode and which system colors we give to Blink

Might as well branch this out to Windows

Win32 apps listen on:


Windows WPF/UWP apps use:


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