src/third_party/web_platform_tests/webdriver/element_state/res/zero-sized-element-with-sizable-decendant.html - cobalt - Git at Google

 <!DOCTYPE html>
 <meta charset="utf-8" />
 <title>Zero sized element with sizable decendant</title>

 <style>
   #parent { width: 0; height: 0; }
   #child { width: 100; height: 100; background-color: blue; }
 </style>

 <div id="parent">
   <div id="child">
     &nbsp;
   </div>
 </div>
	<!DOCTYPE html>
	<meta charset="utf-8" />
	<title>Zero sized element with sizable decendant</title>

	<style>
	#parent { width: 0; height: 0; }
	#child { width: 100; height: 100; background-color: blue; }
	</style>

	<div id="parent">
	<div id="child">

	</div>
	</div>