Re: [csswg-drafts] [css-env] Adding custom env() variables (#2627)

• From: daskpunk via GitHub <sysbot+gh@w3.org>
• Date: Tue, 28 Feb 2023 05:46:23 +0000
• To: public-css-archive@w3.org
• Message-ID: <issue_comment.created-1447617007-1677563181-sysbot+gh@w3.org>

Hi.

I would like to know if it would be possible to import constants in css. Would it be possible to import constants in css?

(you all are talking about an alternative to custom media and custom selectors, would it be possible with constants or env... be something imported?)

filename: *constants.css*
```css
@constants {
    --my-unalterable-var: my_Value_That_Is_Selector_Context_Agnostic;
    --breakpoint-s: 640px;
    --body-bg: blue;
}
```


filename: *main.css*
```css
@import "constants.css" constants;
@media screen and (min-width: var(--breakpoint-s, 300px)) {   /* because constants are selector agnostic */
    body {
        --body-bg: red; /* no effect, because --body-bg is already a constant (then it's unalterable) */
        background-color: var(--body-bg, green); /* blue, because --body-bg is simply already defined */
    }
}
```


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Received on Tuesday, 28 February 2023 05:46:24 UTC