Most of the ideas behind this lived on after the browser wars, in the CSSOM. And the harder parts got covered later with the styleSheets API

I knew many things were implemented but not 'where', so thanks :)

The article is a fascinating slice of history, and a view into an alternate world of how CSS could have worked. Even if the features remained, the different method of applying styles is... well, a parallel world, alternate history.

Skimming the text, this seems like a decent quick intro to the CSSOM as it is relevant today:

https://css-tricks.com/an-introduction-and-guide-to-the-css-...

it also says:

> That W3C document is a somewhat decent way to get familiar with what’s possible with the CSSOM, but it’s a complete disaster for anyone looking for some practical coding examples that put the CSSOM APIs into action.

so there's that :D

Haha... thanks. I'll read both!