Stuff

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
<title>test div right relative</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
</head>

<body>

<div id="main" style="width: 500px; height: 300px; margin: 0 auto; border: 1px solid blue;">    
    
    <div id="inner" style="position: relative; border: 1px solid red; width: 200px; height: 100px; top: 50px; right: 0px;"></div>   
     
</div>

</body>
</html>