<!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/#unforced-breaks"> <meta name="assert" content="Prefer violating a later break-before:avoid instead of violating an earlier break-inside:avoid"> <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> <div style="columns:2; column-gap:0; column-fill:auto; width:100px; height:100px; background:red;"> <div style="break-inside:avoid;"> <div style="contain:size; height:50px; background:green;"></div> <div style="contain:size; height:50px; background:green;"></div> </div> <div style="break-before:avoid; contain:size; height:100px; background:green;"></div> </div>