<!DOCTYPE html> <html> <link rel="match" href="page-name-flex-001-print-ref.html"/> <link rel="help" href="https://www.w3.org/TR/css-page-3/#using-named-pages"/> <body> <div>a</div> <div style="display:flex; flex-direction:column"> <div style="page:b">b</div> <div style="page:c">c</div> </div> <div>d</div> </body> </html>