cara memasukkan halaman css spesifik dalam header pintar XPHP

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    {block name="css"}
        <link rel="stylesheet" href="stylesheets/mystyle.css" media="all" />
    {/block}
    {block name="js"}
        <script src="js/jquery-1.11.1.min.js"></script>
    {/block}
</head>
<body>

{block name="content"}{/block}
<script>
{block name="js-code"}

    function test() {
    }
{/block}
</script>
</body>
</html>
ssbrar