<html>
<head>
<style>
table, th, td {
border: 1px solid black;
}
</style>
</head>
<body>
<h1>The td element</h1>
<p>The td element defines a cell in a table:</p>
<table>
<tr>
<td>Cell A</td>
<td>Cell B</td>
</tr>
<tr>
<td>Cell C</td>
<td>Cell D</td>
</tr>
</table>
</body>
</html>