Thu Jan 3 21:17:41 CET 2019

CSS book

CSS: The Definitive Guide: Visual Presentation for the Web 4th Edition
Eric A. Meyer, Estelle Weyl


- html has strict hierarchy between block and inline elements, but CSS
  can be used to attach any kind of display property.

- this is useful for attaching display styles to plain XML documents.

- div is block, span is inline