Non riesco ad avere Tahoma a 9px

[DJVegetas]

Ciao ragazzi.

Non riesco ad avere tahoma normale a 9px, nella mia pagina web, viene visualizzato in grasetto, e nn riesco trovare il problema che causa questo cambiamento. http://djvegetas.altervista.org/prova/corp.html
Pagina corp

<link rel="stylesheet" type="text/css" href="style.css">
<style type="text/css">
<!--
.style1 {
	font-family: tahoma;
	font-size: 11px;
	font-style: normal;
}
.style4 {font-size: 10px}
-->
</style>
<div style="height: 813px; width: 569px; background-image: url(images/corp.png);">
  <div style="position:relative; visibility: visible; width: 482px; height: 83px; top: 10px; left: 20px; background-image: url(images/adve.png);">
    <div style="position:relative; width: 468px; height: 60px; top: 18px; left: 6px;"><a href="http://www.neobux.com/?r=Osypenko"><img src="http://images.neobux.com/imagens/banner/?u=Osypenko&u3=1662702&rcv=1" width="468" height="60" border="0"></a></div>
  </div>
  <div style="position:relative; width: 510.px;width: 514px; height: 400px; left: 11px; top: 30px;">
    <table width="513" height="135" border="2" align="center" cellpadding="0" cellspacing="0" bordercolor="#000000" class="table2">
      <!--DWLayoutTable-->
  <tr>
    <th width="511" height="15" valign="top" class="table3"">Data: 10 Apr 2010 10:52 pm - Autore: DJVegetas</th>
  </tr>
  <tr>
    <th height="98" class="style1""> <div align="left"  style="font-family:Tahoma"> 
      <p>Il mio nome è Sergio Osypenko e benvenuti nel mio Portfolio!
        </p>
    </div></th>
  </tr>
</table>
</div>
  <div style="position:relative; width: 569px; height: 201px; bottom: -130px; background-image: url(images/corp_fine.png);"></div>
</div>

Style.css

body {background-image:url('images/BG24K.gif');} 

.table1 {
	table-layout : solid;
	width : 236px;
	border-collapse : collapse;
	border-spacing : 0px;
	empty-cells : hide;
	height: 100px;
	font-size: 9px;
	font-family: Tahoma;
	page-break-before: left;
	text-align: left;
	background-color: #CCCCCC;
	font-style: normal;
}

.table1 {
border: 1px solid #494748;
}

.table1 tr td {
      padding-left: 2px;
}

.table1 tr td:hover {
      background-color: #646464; /* scegli il colore da cambiare al passaggio del mouse */
}

.table2 {
	table-layout : solid;
	width : 513px;
	border-collapse : collapse;
	border-spacing : 0px;
	empty-cells : hide;
	height: 100px;
	page-break-before: center center;
	color: #000000;
}

.table2 {
	border: 4px solid;
	border-color: #333333;
	background-color: #CCCCCC;
	height: auto;
	width: auto;
}

.table3 {
	table-layout : solid;
	width : 513px;
	border-collapse : collapse;
	border-spacing : 0px;
	empty-cells : hide;
	height: 23px;
	page-break-before: left;
	text-align: left;
	background-attachment: scroll;
	background-position: top center;
	background-image: url(images/sfum.png);
	background-repeat: repeat-x;
	border-color: #FFFFFF;
	color: #FFFFFF;
	font-family: verdana;
	font-size: 9.8px;
}

.table3 {
	border: 1px solid;
}