content/test/data/small-cursor.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>
 body {
   height: 1000px;
   width: 1000px;
   cursor: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32"><rect width="32" height="32" fill="red"/></svg>') 32 32, auto;
 }
 </style>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	body {
	height: 1000px;
	width: 1000px;
	cursor: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32"><rect width="32" height="32" fill="red"/></svg>') 32 32, auto;
	}
	</style>