Then they invented CSS ;) When SGML, on which HTML is based, has all the customizing, organization, vocabulary extension, and authoring comfort features you co

Then they invented CSS ;) When SGML, on which HTML is based, has all the customizing, organization, vocabulary extension, and authoring comfort features you could ever want, even stylesheets. Think about it - you have a content model grammar with type-checked item-value pairs (attributes); then CSS comes along with a completely separate, not type-checked item-value syntax and value space that make even seasoned graphic professionals run away.