chromium/src/third_party/blink/web_tests/fast/multicol/span/empty-block-between-spanners-with-margins.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <p>Test that an empty block between spanners doesn't affect margin collapsing.</p>
 <p>There should be a blue square below.</p>
 <div style="-webkit-columns:3; width:10em; background:blue;">
     <div style="-webkit-column-span:all; margin-bottom:5em; background:white;"></div>
     <div></div>
     <div style="-webkit-column-span:all; margin-top:5em; background:white;"></div>
 </div>
	<!DOCTYPE html>
	<p>Test that an empty block between spanners doesn't affect margin collapsing.</p>
	<p>There should be a blue square below.</p>
	<div style="-webkit-columns:3; width:10em; background:blue;">
	<div style="-webkit-column-span:all; margin-bottom:5em; background:white;"></div>
	<div></div>
	<div style="-webkit-column-span:all; margin-top:5em; background:white;"></div>
	</div>