[csswg-drafts] [css-transitions]: Add keyword for adding transitions to existing ones (#10710)

SetTrend has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-transitions]: Add keyword for adding transitions to existing ones ==
## Current Situation

Currently, in the following example, the second rule will overwrite the first one:

```css
transition: opacity 400ms ease;
transition: left 350ms ease;
```

So, only `transition: left 350ms ease;` will be in effect. `transition: opacity 400ms ease;` will be ignored

## Desired Situation

Please add an `add` keyword to the different `transition` properties (incl. the shorthand property), so existing transition rules will remain intact while new transitions may be added independently from existing transitions.

### Example

```css
transition: opacity 400ms ease;
transition: add left 350ms ease;
            ‾‾‾
```

… would yield the same result as:

```css
transition: opacity 400ms ease
          , left 350ms ease;
```


Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/10710 using your GitHub account


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Received on Wednesday, 7 August 2024 14:38:23 UTC