chromium/src/third_party/blink/web_tests/fast/multicol/span/simple-margins.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <p>Test that using fixed margins on spanners works.</p>
 <p>Below there should be yellow square centered inside a blue square, and no red.</p>
 <div style="-webkit-columns:3; width:300px; background:blue;">
     <div style="-webkit-column-span:all; margin:50px; height:200px; background:red;">
         <div style="height:100%; background:yellow;"></div>
     </div>
 </div>
	<!DOCTYPE html>
	<p>Test that using fixed margins on spanners works.</p>
	<p>Below there should be yellow square centered inside a blue square, and no red.</p>
	<div style="-webkit-columns:3; width:300px; background:blue;">
	<div style="-webkit-column-span:all; margin:50px; height:200px; background:red;">
	<div style="height:100%; background:yellow;"></div>
	</div>
	</div>