Inconsistent syntax highlighting for keyframes animation declaration

[functasti]

What version of VS Code are you using?

v1.99.3

What version of Tailwind CSS IntelliSense are you using?

v0.14.16

What version of Tailwind CSS are you using?

4.1.3

What package manager are you using?

npm

What operating system are you using?

Ubuntu Linux

Tailwind config

Default

VS Code settings

{
  "files.associations": {
    "*.css": "tailwindcss"
  },

  "tailwindCSS.classFunctions": ["clsx"]
}

Reproduction

See screenshot: