css圆角，有titlebar

Java代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns:v xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
<style type="text/css">
.div1{
    margin:0 4px;
    background:#28598f;
    height:1px;
    overflow:hidden;
}
.div2{
    margin:0 2px;
    border:2px solid #28598f;
    border-width:0 2px;
    background:#9fc8db;
    height:1px;
    overflow:hidden;
}
.div3{
    margin:0 1px;
    border:2px solid #28598f;
    border-width:0 1px;
    background:#9fc8db;
    height:1px;
    overflow:hidden;
}
.div4{
    margin:0 1px;
    border:2px solid #28598f;
    border-width:0 1px;
    background:#9fc8db;
    height:1px;
    overflow:hidden;
}
.div5{
    background:#9fb2be;
    border:1px solid #1e5288;
    border-width:0 1px;
}
.div6{
    font-size:12px;
    font-weight:bolder;
    font-family:Verdana;
    FILTER: progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#9fc8db,endColorStr=#28598f);
    padding:2px 10px 5px;
}
.div7{
    FILTER: progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#f2f5f6,endColorStr=#dbe5e8);
    margin:0 3px;
    font-size:11px;
    font-family:Verdana;
    padding:5px 5px;
    overflow:hidden;
}
.div8{
    background:#9fb2be; height:1px; overflow:hidden;
}
</style>

</head>
<body style="">
<div style="position:absolute; width:100%; height:100%; top: 4px;">
    <div style="position:absolute; left:3px; top:3px; width:20%; height:30%;">
        <div class="div1"></div>
        <div class="div2"></div>
        <div class="div3"></div>
        <div class="div4"></div>
        <div class="div5">
            <div class="div6">
                用户信息
            </div>
            <div class="div7">
                <table style="width:100%;height:150px;">
                    <tr><td height="106">123</td></tr>
                </table>
            </div>
        </div>
        <div class="div8"></div>
    </div>
</div>
</body>
</html>

补充：web前端 , HTML/CSS  ,