<html>
<head>
<style type="text/css">
thead {color:green;}
tbody {color:blue;}
tfoot {color:red;}
</style>
</head>
<body>
<table border="1">
<thead>
<tr>
<th>Month</th>
<th>Savings</th>
</tr>
</thead>
<tfoot>
<tr>
<td>Sum</td>
<td>$180</td>
</tr>
</tfoot>
<tbody>
<tr>
<td>January</td>
<td>$100</td>
</tr>
<tr>
<td>February</td>
<td>$80</td>
</tr>
</tbody>
</table>
<p><b>Tip:</b> The thead, tbody, and tfoot elements will not affect the layout of the table by default. However, you can use CSS to style these elements.</p>
</body>
</html>