<!DOCTYPE html> <html class="reftest-paged"> <head> <meta charset="utf-8"> <title>CSS Test: 'contain: size' should ignore breaks and force elements to be monolithic.</title> <style> .contain { contain:size; } .innerPageBreak { page-break-before: always; page-break-after: always; } .basicOuter { height: 20px; background: orange; } </style> </head> <body> <div class="contain basicOuter"> before <div class="innerPageBreak"> inside </div> after </div> </body> </html>