Starting in Firefox 110, we will be enabling CSS named page support by default.
Summary:
CSS named pages allow documents to control what content appears on what
printed page, assign properties based on these pages, and control
fragmentation. It enables many more advanced paginated layout features
in the CSS page-3 spec.
Standard:
https://drafts.csswg.org/css-page-3/Platform coverage: All
Preference:
layout.css.named-pages.enabledDevTools bug: Currently there is no provision to debug or inspect page properties or paginated layout.
Other browsers: Supported in Blink since Chrome 85, supported in Opera since 71. Not supported in WebKit.