chromium/src/third_party/blink/web_tests/compositing/overflow/clip-parent-across-transform-boundary.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <div style="overflow:hidden; margin-left:100px; margin-top:100px; width:100px; height:100px;">
   <div style="position:relative; left:-50px; top:-50px; width:200px; height:200px; transform:rotate(30deg);">
     <div style="will-change:opacity; overflow:hidden;">
       <div style="position:absolute; width:200px; height:200px; background:green;"></div>
     </div>
   </div>
 </div>
 This test succeeds if a non-rotated 100x100 green box is shown above.
	<!DOCTYPE html>
	<div style="overflow:hidden; margin-left:100px; margin-top:100px; width:100px; height:100px;">
	<div style="position:relative; left:-50px; top:-50px; width:200px; height:200px; transform:rotate(30deg);">
	<div style="will-change:opacity; overflow:hidden;">
	<div style="position:absolute; width:200px; height:200px; background:green;"></div>
	</div>
	</div>
	</div>
	This test succeeds if a non-rotated 100x100 green box is shown above.