<html>
<head>
<link rel="stylesheet" href="style.css">
<meta charset="utf-8">
</head>
<body>
<table border="1">
<tr >
<td>
<a class="main" >1td</a>
</td>
<td>
2td
</td>
</tr>
</table>
</body>
</html>.main {
color:green;
}
