chromium/src/third_party/blink/renderer/core/testing/data/mouse-wheel-overflow-body.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE HTML>
 <head>
   <style>
     html {
       height: 100%;
       width: 100%;
       overflow-y: scroll;
     }

     body {
       height: 100%;
       width: 50%;
       margin: 0px 0px 100px 0px;
       overflow-y: scroll;
     }
   </style>
 </head>
 <body>
   <div style="height:1000px"></div>
 </body>
	<!DOCTYPE HTML>
	<head>
	<style>
	html {
	height: 100%;
	width: 100%;
	overflow-y: scroll;
	}

	body {
	height: 100%;
	width: 50%;
	margin: 0px 0px 100px 0px;
	overflow-y: scroll;
	}
	</style>
	</head>
	<body>
	<div style="height:1000px"></div>
	</body>