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-objec

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-object-model-cssom/ 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