<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Student marks table</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 40px;
}
table {
border-collapse: collapse;
width: 70%;
}
th,
td {
border: 1px solid #333;
padding: 10px;
text-align: left;
}
th {
background-color: #f2f2f2;
}
caption {
caption-side: top;
margin-bottom: 10px;
font-size: 18px;
font-weight: bold;
text-align: left;
}
.average-row td {
background-color: #e6f7ff;
font-weight: bold;
text-align: left;
}
</style>
</head>
<body>
<table>
<caption>
Students Marks Table
</caption>
<tr>
<th>Name</th>
<th>Subject</th>
<th>Marks</th>
</tr>
<tr>
<td rowspan="2">Rajashree</td>
<td>Adv Web</td>
<td>75</td>
</tr>
<tr>
<td>OS</td>
<td>60</td>
</tr>
<tr>
<td rowspan="2">Kiran</td>
<td>Adv Web</td>
<td>80</td>
</tr>
<tr>
<td>OS</td>
<td>75</td>
</tr>
<tr class="average-row">
<td></td>
<td colspan="2">Average of all marks:72.5</td>
</tr>
</table>
</body>
</html>