Pone esto dentro de tu body
<style>
BODY {SCROLLBAR-FACE-COLOR: #D4D0C8; SCROLLBAR-HIGHLIGHT-COLOR: #A9A9A8; SCROLLBAR-SHADOW-COLOR: #000000; SCROLLBAR-3DLIGHT-COLOR: #FFFFFF; SCROLLBAR-ARROW-COLOR: #000000; SCROLLBAR-TRACK-COLOR: #FFFFFF; SCROLLBAR-DARKSHADOW-COLOR: #D4D0C8; }
</style>
