cioè così:

<html>
<head>
<title>Untitled</title>
<style>
body {
margin:0px;
background:#ECF5FF;
SCROLLBAR-FACE-COLOR: #788EC9;
SCROLLBAR-HIGHLIGHT-COLOR: #ffffff;
SCROLLBAR-SHADOW-COLOR: #000000;
SCROLLBAR-ARROW-COLOR: yellow;
SCROLLBAR-TRACK-COLOR: #DCE9E8;
SCROLLBAR-DARKSHADOW-COLOR: #333333;}
a:link {
color:#383838;}
</style>
</head>


poi nel body <body> metti onload !