prova così:

codice:
<style type="text/css">
<!--
.b0 {
	border-top-width: 0px;
	border-right-width: 0px;
	border-bottom-width: 0px;
	border-left-width: 0px;
}
.b1 {
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-color: #CC0000;
	border-right-color: #CC0000;
	border-bottom-color: #CC0000;
	border-left-color: #CC0000;
}
-->
</style>
</head>

<body>
<table>
		<tr>
				<td class="b0">bordo 0 </td>
				<td class="b1">bordo 1 </td>
		</tr>
</table>
</body>
</html>

ciaux