Hai settato 3 volte il tag body.

Copia questo sotto e vedrai che funziona
<style>

body { SCROLLBAR-BASE-COLOR: #000000;
SCROLLBAR-FACE-COLOR: #FFB805;
SCROLLBAR-HIGHLIGHT-COLOR: #FFFFFF;
SCROLLBAR-SHADOW-COLOR: #000000;
SCROLLBAR-3DLIGHT-COLOR: #FFFFFF;
SCROLLBAR-ARROW-COLOR:#FFFFFF;
SCROLLBAR-TRACK-COLOR: #FFEFC8;
SCROLLBAR-DARKSHADOW-COLOR:#000000
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #000000;
background-color: #FFFFFF;
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;


}

td,th {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #000000;
}
a {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #000000;
}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
color: #000000;
}
a:hover {
text-decoration: none;
color: #FF9900;
}
a:active {
text-decoration: none;
color: #000000;
}
</style>