<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
table, th, td{
border: 1px solid #8c8c8c;
}
</style>
</head>
<body>
<table>
<colgroup align="char" char="." charoff="2">
</colgroup>
<tr>
<th>Roll No</th>
<th>Name</th>
<th>Mark</th>
</tr>
<tr>
<td>1</td>
<td>Brendan</td>
<td>90.00</td>
</tr>
<tr>
<td>2</td>
<td>Eich</td>
<td>92.25</td>
</tr>
</table>
</body>
</html>