\include always uses \clearpage, a not entirely sensible default. It is intended for entire chapters, not for subsections (why would you want subsections in separate files, anyway?). You can fix it either by using \input{filename} or loading the newclude package and writing \include*{filename} instead.
Using break-inside should work: @media print { div { break-inside: avoid; } } It works on all major browsers: Chrome 50+ Edge 12+ Firefox 65+ Opera 37+ Safari 10+ Using page-break-inside: avoid; instead should work too, but has been exactly deprecated by break-inside: avoid.
Add a CSS class called “pagebreak” (or “pb”), like so: @media print { .pagebreak { page-break-before: always; } /* page-break-after works, as well */ } Then add an empty DIV tag (or any block element that generates a box) where you want the page break. <div class=”pagebreak”> </div> It won’t show up on the page, … Read more