Chapter 13 - Paged media - 13.3.3 Allowed page breaks
Go to the relevant page of the specification.
- page-breaks-100 (paged)
Page breaks: clearing bottom margin
When an element would span a page break solely to satisfy a descendant's bottom margin, that margin is instead truncated and the element does not span pages.
- page-breaks-101 (paged)
Page Breaks and Bottom Margin (with bg/border)
Page breaks are not allowed between the last child of a block and its parent.