LIKE THIS:
<![CDATA[
<style type="text/css">
BODY {
SCROLLBAR-FACE-COLOR: #ff0000;
SCROLLBAR-HIGHLIGHT-COLOR: #00ff00;
SCROLLBAR-SHADOW-COLOR: #0000ff;
SCROLLBAR-3DLIGHT-COLOR: #000000;
SCROLLBAR-ARROW-COLOR: #0000ff;
SCROLLBAR-TRACK-COLOR: #f0f0f0;
SCROLLBAR-DARKSHADOW-COLOR: #0f0f0f;
}
</style>
]]>