First Public Working Draft: CSS Overflow Module Level 5

The CSS Working Group has published the First Public Working Draft of CSS Overflow Module Level 5. This module contains the features of CSS relating to scrollable overflow handling in visual media. It builds on the CSS Overflow Module Level 4, adding the ability to generate and associate various scrolling controls (markers to indicate scroll progress, buttons to trigger scrolling), and adding an appendix containing an experimental exploration of redirecting overflow by fragmentation.