<!DOCTYPE html> <link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org"> <link rel="help" href="https://www.w3.org/TR/css-break-3/#possible-breaks"> <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> <style> fieldset { margin:0; border:none; padding:0; } .block { break-inside:avoid; height:50px; background:green; } .fail { background:red; } </style> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> <div style="columns:2; column-fill:auto; width:100px; height:140px; column-gap:0; overflow:hidden;"> <fieldset> <div class="block"></div> <div class="block"></div> <div class="block"></div> <div class="block"></div> <!-- No room for this - should be clipped: --> <div class="block fail"></div> </fieldset> </div>