Formating Content with Plugin

I am trying to add html to this section but when i add formatting to center object its not working. Just Left Justifies the text

eg. http://project365.com.au

HTML Sample

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Project 365 Footer Menu</title>
<style type="text/css">
.Center {
text-align: center;
}
.Center {
text-align: center;
}
</style>
</head>

<body class="Center">
Test
</body>
</html>

eg i want to add menu system to bottom for all templates on MU site