[Tex2002ans]

Originally Posted by Jellby

There seems to be an exception for @page, but that's CSS3, and ePub 2 is CSS 2.1, as far as I remember (https://www.w3.org/TR/css-page-3/#page-properties):

There's also a ton of different "hackish" ways devices can render ebooks.

For example, many use CSS columns in the background, then just shift the viewport to the next column when you go to the "next page".

For more details, see the ebookcraft 2019 talk, "Pagination in the Browser: Why, What, and How". At ~20 mins in, she discusses the "Box vs. Column" methods.