Aspect Ratio syntax highlighting broken in Textmate grammar

[alexr00]

Originally from @mikeybinnswebdesign in microsoft/vscode#136435

Prerequisites

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Description

The top scope for aspect-ratio is meta.property-name.css when it should maybe also have support.type.property-name.css.

Steps to Reproduce

1. Open VS Code with extensions disabled.
2. Open a new file, and choose CSS as the language
3. Paste in the following:

.test {
  color: #fff;
  aspect-ratio: 1;
  aspect-ratio: 1 / 1;
}

Expected behavior:

the aspect-ratio property text should be the same colour as the color property

Actual behavior:

the aspect-ratio text is a different color

Possible explaination:
The hover information for aspect-ratio says it is an experimental property, but this is not the case any more. It's now fully implemented for all modern browsers.

Reproduces how often:

100%

Versions

Additional Information