chromium/src/third_party/blink/web_tests/compositing/overflow/composited-sticky-element-in-composited-ancestor-with-content-offset-expected.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <style>
 .container {
   width: 300px;
   height: 300px;
   outline: 200px solid grey;
 }

 .scroller {
   height: 200px;
   overflow: auto;
 }

 .sticky {
   border: 5px solid green;
   width: 200px;
   height: 200px;
   top: 0;
 }

 .composited {
   backface-visibility: hidden;
 }
 </style>

 <div class="container">
   <div class="composited scroller">
     <div class="sticky"></div>
   </div>
 </div>
	<!DOCTYPE html>
	<style>
	.container {
	width: 300px;
	height: 300px;
	outline: 200px solid grey;
	}

	.scroller {
	height: 200px;
	overflow: auto;
	}

	.sticky {
	border: 5px solid green;
	width: 200px;
	height: 200px;
	top: 0;
	}

	.composited {
	backface-visibility: hidden;
	}
	</style>

	<div class="container">
	<div class="composited scroller">
	<div class="sticky"></div>
	</div>
	</div>