Lỗi Prefixr

Đoạn css mình viết:
.querry{
	border-radius: 5px;
}
Đoạn mình bôi đen rồi bấm Ctrl+Alt+X hoặc Edit>Prefixr:
border-radius: 5px;
Kết quả nhận được:
.querry{
	<head>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<script type="text/javascript" src="images/analytics.js"></script>
	<link type="text/css" rel="stylesheet" href="images/banner-styles.css">
	<link href="images/css.css" rel="stylesheet" type="text/css">
	<link rel="stylesheet" href="images/style.css">
	<script src="images/codemirror.js"></script>
	<script src="images/bsa.js" async=""></script><script async="async" src="images/s_da929968ceefd579853548fefbaa306c.js" id="_bsap_js_da929968ceefd579853548fefbaa306c" type="text/javascript"></script><script src="images/in.php" async="" type="text/javascript"></script>
	</head>
	<body>
	<div class="wrap">
	<div class="main clearfix">
	This subpage is temporary unavailable due to maintenance works in progress...
	In the meantime we invite you to visit the main page - prexifr.com
	We expect this subpage to be back within a few days.
	</div>
	<div class="footer-wrap">
	<footer>
	<ul>
	<li><a href="http://prefixr.com">Prefixr</a> </li>
	<li><a href="http://prefixr.com/api/usage/">API</a> </li>
	<li><a href="http://prefixr.com/pages/updates.php">Recent Updates</a></li>
	</ul>
	</footer>
	</div>
	</body>
	</html>
}