chromium/src/third_party/blink/web_tests/fast/multicol/span/triply-nested-multiocol-zero-height-inner-with-spanner.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <p>There should be no red, no scrollbar, and no crash or assertion failure.</p>
 <div style="-webkit-columns:1; width:70%; -webkit-column-rule:10px solid red;">
     <div style="height:40px;"></div>
     <div style="-webkit-columns:1;">
         <div style="-webkit-columns:1;">
             <div></div>
             <div style="-webkit-column-span:all;"></div>
         </div>
     </div>
 </div>
	<!DOCTYPE html>
	<p>There should be no red, no scrollbar, and no crash or assertion failure.</p>
	<div style="-webkit-columns:1; width:70%; -webkit-column-rule:10px solid red;">
	<div style="height:40px;"></div>
	<div style="-webkit-columns:1;">
	<div style="-webkit-columns:1;">
	<div></div>
	<div style="-webkit-column-span:all;"></div>
	</div>
	</div>
	</div>