chromium/src/third_party/blink/web_tests/fast/multicol/nested-balanced-inner-column-count-1-with-forced-break.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <p>There should be a papayawhip square below. It should be aligned in
     the bottom right corner of a hotpink rectangle with a black border.</p>
 <div style="columns:2; column-fill:auto; column-gap:0; width:80px; line-height:20px; border:1px solid black; background:hotpink;">
     <div style="columns:1;">
         <div style="height:1px;"></div>
         <div style="height:6px; break-before:column;"></div>
         <div style="width:40px; background:papayawhip;">
             <br>
             <br>
         </div>
     </div>
 </div>
	<!DOCTYPE html>
	<p>There should be a papayawhip square below. It should be aligned in
	the bottom right corner of a hotpink rectangle with a black border.</p>
	<div style="columns:2; column-fill:auto; column-gap:0; width:80px; line-height:20px; border:1px solid black; background:hotpink;">
	<div style="columns:1;">
	<div style="height:1px;"></div>
	<div style="height:6px; break-before:column;"></div>
	<div style="width:40px; background:papayawhip;">
	<br>
	<br>
	</div>
	</div>
	</div>