css/css-values/attr-in-slotted-ref.html - external/github.com/web-platform-tests/wpt - Git at Google

 <!DOCTYPE html>
 <title>CSS Values Test: attr() in pseudo element ::slotted</title>
 <div class=host>
     <template shadowrootmode=open>
         <style>
             ::slotted(div) {
                 color: green;
             }
         </style>
         <slot></slot>
     </template>
     <div>PASS if green</div>
 </div>
	<!DOCTYPE html>
	<title>CSS Values Test: attr() in pseudo element ::slotted</title>
	<div class=host>
	<template shadowrootmode=open>
	<style>
	::slotted(div) {
	color: green;
	}
	</style>
	<slot></slot>
	</template>
	<div>PASS if green</div>
	</div>