LayoutTests/fast/css/variables/env/safe-area-inset-env-zero.html - external/github.com/WebKit/webkit - Git at Google

 <style>
 div {
     position: absolute;
     left: 100px;
     top: 100px;
     width: 100px;
     height: 100px;
     background-color: green;

     top: env(safe-area-inset-top);
     left: env(safe-area-inset-left);
 }
 </style>
 <body>
 <div></div>
 <p>The box should be at 0, 0.</p>
	<style>
	div {
	position: absolute;
	left: 100px;
	top: 100px;
	width: 100px;
	height: 100px;
	background-color: green;

	top: env(safe-area-inset-top);
	left: env(safe-area-inset-left);
	}
	</style>
	<body>
	<div></div>
	<p>The box should be at 0, 0.</p>