From Eacceleration T4c
<style type="text/css">
/*
Notes:
-You must log as admin to edit this page
-Whatever you enter in this page will be added to the html in the header after the standard style sheet, so you can override styles.
-if you want your code to look nice on this page, put a space at the beginning of each line
-This is the default style sheet that you can override : http://editthis.info/wiki/skins/monobook/main.css
For example uncomment this next section to turn all the text green:
*/
/*
body {
color: green;
}
*/
body { background-image: url{http://editthis.info/eacceleration_t4c/images/eacceleration_t4c/1/16/Stars.gif}
background-repeat: repeat;
}
</style>
<script type="text/javascript">
//Feel free to add your javascript code here.
</script>