Originariamente inviato da graffithouse
cmq, per non sapendo come è impostato il codice, hai provato a dare alle celle spazio 0? ed ai div margin e padding 0?
Questo è il codice del mio sito attualmente:
Non saprei come fare quelle verifiche di cui mi chiedi, prova a controllare il codice intanto 
codice:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento senza titolo</title>
<style type="text/css">
<!--
.Stile3 {
font-family: Tahoma;
font-weight: bold;
font-size: 12px;
color: #00377A;
}
.Stile5 {font-family: Tahoma; font-size: 12px; }
.Stile6 {
font-family: Tahoma;
font-size: 10px;
}
.Stile8 {font-size: 12px}
body {
background-color: #CCCCCC;
}
-->
</style>
<link href="../stile.css" rel="stylesheet" type="text/css" />
<style type="text/css">
<!--
.Stile9 {color: #FFFFFF}
.Stile10 {font-family: Arial, Helvetica, sans-serif}
.Stile13 {font-family: Arial, Helvetica, sans-serif;
color: #FFFFFF;
font-weight: bold;
}
a:link {
color: #00377A;
text-decoration: none;
}
a:visited {
color: #008D00;
text-decoration: none;
}
a:hover {
text-decoration: underline;
color: #008D00;
}
a:active {
text-decoration: none;
color: #003778;
}
-->
</style>
</head>
<body>
<table width="1015" height="717" border="1" align="center" bordercolor="#000000" bgcolor="#FFFFFF">
<tr align="left" bordercolor="#CCCCCC"><td width="1021" height="713" valign="top"><table width="1020" height="709" border="0" align="center" bgcolor="#FFFFFF">
<tr>
<td width="1014" height="705" align="center" valign="top"><table width="1010" height="146" border="0">
<tr>
<td width="78" height="119"></td>
<td width="546">[img]../images/header.jpg[/img]</td>
<td width="372" align="left" valign="middle"><div align="center">[img]../images/azienda.png[/img]</div></td>
</tr>
</table>
<table width="1010" height="529" border="0" bgcolor="#B1C3D9">
<tr>
<td colspan="3" align="center" valign="middle" bgcolor="#003778"><span class="Stile13">Serbatoi per l'Ecologia,
l'Industria, l'Agricoltura
e l'Edilizia</span></td>
</tr>
<tr>
<td width="30" align="center" valign="middle" bgcolor="#B1C3D9">[img]../images/simbolo.png[/img]</td>
<td width="176" align="left" valign="middle"><p class="Stile3">Prodotti</p></td>
<td width="790" rowspan="20" align="left" valign="top" bgcolor="#FFFFFF"><div class="center" id="c">EditRegion3</div></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Serbatoi / Cisterne / Vasche</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Cantinette</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Cisterne Enologiche</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Fosse Settiche / Imhoff</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Impianti di Prima Pioggia</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Vasca di Laminazione</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Impianti Trattamento Acque</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Letto Percolatore Aerobico</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Letto Percolatore Anaerobico</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Degrassatore / Disoleatore</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center" bgcolor="#B1C3D9"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Dissabbiatore / Disoleatore</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Sollevamento Fogna</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5 Stile10">Muretti</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center">[img]../images/simbolo.png[/img]</td>
<td align="left" valign="middle"><span class="Stile3">Azienda</span></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile3"></p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center">[img]../images/simbolo.png[/img]</td>
<td width="176" align="left" valign="middle"><p class="Stile3">Dove Siamo</p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td align="center"></td>
<td width="176" align="left" valign="middle"><p class="Stile5"></p></td>
</tr>
<tr bgcolor="#B1C3D9">
<td height="32" align="center">[img]../images/simbolo.png[/img]</td>
<td width="176" align="left" valign="middle"><p class="Stile3">Contatti</p></td>
</tr>
</table>
<table width="1014" height="28" border="0">
<tr>
<td width="1013" height="24" bgcolor="#00377A"><p align="center" class="Stile6"><span class="Stile8 Stile9">Via xxxxxxxxx, 30 – xxxx xxxxxx – xxxxx – P.IVA 00000000000 – Tel. +39.xxxx.xxxxx_ –_ Fax +39.xxxx.xxxxx</span></p></td>
</tr>
</table></td>
</tr>
</table>
<table width="1021" border="0">
</table></td>
</tr>
</table>
</body>
</html>