Edward Tufte's beautiful books were an inspiration for creating CSS in 1994. Now, almost 30 years later, CSS has grown to the point where we are able to recreate his designs on screen and in print. Challenges still remain when scaling documents to fit small screens. How to you show a sidenote on a mobile phone? Should we still care about bandwidth? Are paper-based books still relevant? If so, what tools does CSS provide for positioning figures, footnotes and page numbers? This presentation will describe the roots of CSS, and how it has evolved to create beautiful books.