Not exact matches
An element assigned display: oeb - page - head or display: oeb - page - foot must not be considered in effect while any markup specified before such an element is still being rendered in the same context (for example, if it is on the same page in a paginated context, or in the
viewport for a
scrolled context).
In addition, even when a Reading System does have a CSS
Viewport, it is likely to render content in a manner that differs from typical HTML5 User Agents (e.g., paginating content rather than providing a infinitely
scrolling surface).
The issue is that on a common 1336px resolution, the sticky header is so tall that is takes up a huge portion of the
viewport while the user
scrolls: