<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head>
<title>Testcase, bug 472252</title>
<style type="text/css">
#wrap {width:600px; border:1px solid;position:relative}
.a {background:lime; color:#fff; width:80%;}
.b {position:absolute; right:0; width:18%; background: cyan; color: #000; height:10em;}
textarea {box-sizing: border-box; width: 100%; height:10em;}
</style>
<title>test</title>
</head>
<body>
<div id="wrap">
<div class="b"></div>
<div class="a"><textarea></textarea></div>
</div>
</body></html>