- From: Joey Arhar via GitHub <sysbot+gh@w3.org>
- Date: Wed, 10 Apr 2024 15:30:27 +0000
- To: public-css-archive@w3.org
It hadn't occurred to me before, but we could do something like `light-dark()` to support this (thanks @lilles!). We could give the UA properties that we care about an internal CSS function which evaluates to one thing for appearance:auto/none, and a different one for appearance:base/base-select.
As I've [implemented in chromium](https://chromium-review.googlesource.com/c/chromium/src/+/5389566), it looks like this for background-color specifically:
```css
select {
background-color: -internal-appearance-auto-base-select(Field, transparent);
}
```
This required the `appearance` property to be computed before `background-color`, but I was able to enforce this in chromium by setting the priority of appearance to a higher value than background-color.
I don't know if the per-property priority is something that exists in csswg specs, and I'm not sure if the particular form of this function is what we would want to spec either, but from my point of view this solves the issue.
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Received on Wednesday, 10 April 2024 15:30:28 UTC