<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
table tr td:first-child {
color: red;
}
</style>
</head>
<body>
<table>
<tr>
<td>label</td>
<td>value</td>
</tr>
<tr>
<td>label</td>
<td>value</td>
</tr>
<tr>
<td>label</td>
<td>value</td>
</tr>
</table>
</body>
</html>