20 years ago knowing CSS’s inheritance and tree traversal structure was critical to finish sites that worked flawlessly across all browsers. There was a lot of

20 years ago knowing CSS’s inheritance and tree traversal structure was critical to finish sites that worked flawlessly across all browsers. There was a lot of beauty in it, so much so that borrowed some ideas from CSS models for the architecture of the custom template system behind the CMS that powered CNN and a number of other large media sites with many sub-properties.