regular-block-becomes-multicol.html

<!DOCTYPE html>
<script>
    onload = function() {
        var elm = document.getElementById('elm');
        elm.offsetTop; // trigger layout
        elm.style.WebkitColumns = 4;
        elm.style.columns = 4;
    }
</script>
<p>You should see the word 'PASS' below.</p>
<div style="font-family:monospace; float:left;">
    <div id="elm" style="-webkit-column-gap:0; column-gap:0; orphans:1; widows:1;">
        P<br>
        A<br>
        S<br>
        S<br>
    </div>
</div>

chromium/third_party/blink/web_tests/fast/multicol/regular-block-becomes-multicol.html