I wish Asciidoc were less complicated, or at least had an official subset that cuts out most of it and leaves something that can be learned from a single-side o

I wish Asciidoc were less complicated, or at least had an official subset that cuts out most of it and leaves something that can be learned from a single-side of a piece of paper. I'm having trouble figuring out why I shouldn't use CSS if I'm going to use something this complicated and ultimately this close to CSS.