third_party/WebKit/LayoutTests/fast/multicol/flexbox.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <p>The word "PASS" should be seen tidily below (with large letter spacing).</p>
 <div style="-webkit-columns:5; -webkit-column-gap:0; width:5em;">
     <div style="display:flex;">
         P<br>
         <br>
         A<br>
         <br>
         S<br>
         <br>
         S<br>
         <br>
     </div>
 </div>
	<!DOCTYPE html>
	<p>The word "PASS" should be seen tidily below (with large letter spacing).</p>
	<div style="-webkit-columns:5; -webkit-column-gap:0; width:5em;">
	<div style="display:flex;">
	P<br>
	<br>
	A<br>
	<br>
	S<br>
	<br>
	S<br>
	<br>
	</div>
	</div>