<body> <table border="1" align="center" width="40%"> <caption>Employee Details</caption> <colgroup> <col id="k1" span="2"> <col id="k2"> </colgroup> <tr> <th>EmpId</th> <th>Name</th> <th>Department</th> </tr> <tr> <td>1001</td> <td>hitesh</td> <td>Testing</td> </tr> <tr> <td>1002</td> <td>Sahil</td> <td>DBA</td> </tr> </table> </body>
#k1
{
background-color:skyblue;
color:blue;
}
#k2
{
background-color:yellow;
color:red;
}