<html xmlns="http://www.w3.org/1999/xhtml" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<head>
<style>
div {
width: 50px;
height: 100px;
background-color: rgba(0,0,255,0.5);
}
</style>
</head>
<body>
<div/>
</body>
</html>