The linked article about defining typed CSS properties using a mix of script and style tags seems perplexity complicated to me: https://web.dev/css-props-and-va

The linked article about defining typed CSS properties using a mix of script and style tags seems perplexity complicated to me: https://web.dev/css-props-and-vals/ https://web.dev/css-props-and-vals/ Was this intended to be tied to some other feature or framework not mentioned?