<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title></title>
<style type="text/css">
html, body {
margin: 0;
height: 100%;
}
div {
height: 100%;
padding: 10px;
border: thick solid black;
background: lightgray;
-moz-box-sizing: border-box;
}
</style>
</head>
<body>
<div>
this is a test. this is a test. this is a test. this is a test.
this is a test. this is a test. this is a test. this is a test.
this is a test. this is a test. this is a test. this is a test.
this is a test. this is a test. this is a test.
</div>
</body>
</html>