<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {
border: 1px solid red;
}
</style>
</head>
<body>
<h1>The col element</h1>
<table>
<colgroup>
<col span="2" style="background-color:lightcoral">
<col style="background-color:green">
</colgroup>
<tr>
<th>S.no</th>
<th>Name</th>
<th>Salary</th>
</tr>
<tr>
<td>1.</td>
<td>Mohit</td>
<td>$400</td>
</tr>
<tr>
<td>2.</td>
<td>Rohit</td>
<td>$500</td>
</tr>
</table>
</body>
</html>
| S.no | Name | Salary |
|---|---|---|
| 1. | Mohit | $400 |
| 2. | Rohit | $500 |
