<html>
<head>
<style>
table, th, td {
border: 1px solid black;
}
</style>
</head>
<body>
<h1>The td headers attribute</h1>
<table style="width:100%">
<tr>
<th id="name">Name</th>
<th id="email">Email</th>
<th id="phone">Phone</th>
<th id="addr">Address</th>
</tr>
<tr>
<td headers="name">John Doe</td>
<td headers="email">someone@example.com</td>
<td headers="phone">+45342323</td>
<td headers="addr">Rosevn 56,4300 Sandnes,Norway</td>
</tr>
</table>
</body>
</html>