code show as below:
<style>
table tr td{
border: 1px #000 solid;
}
table{width: 500px;
height: 500px;
border-collapse: collapse; (table borders overlapping solutions)
}
</style>
</head>
<body>
<table
cellspacing = "0" cellpadding = "0"> maybe used with the table frame table does not overlap, the normal display
<tr>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
</tr>
</table>
</body>