chromium/src/third_party/blink/web_tests/external/wpt/css/css-pseudo/first-line-and-placeholder-ref.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>
 input::placeholder {
     color: red;
 }
 </style>
 <form>
   <input placeholder="this text should be red">
 </form>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	input::placeholder {
	color: red;
	}
	</style>
	<form>
	<input placeholder="this text should be red">
	</form>