<table width=100%>
    <form name="auth" method="post" action="check_login.php">
        <tr>
            <td width=30%>Username:</td>
            <td width=50%><input name="login" type="text" id="login"></td>
        </tr>
        <tr>
            <td>Password:</td>
            <td><input name="senha" type="password" id="senha"></td>
        </tr>
        <tr>
            <td>&nbsp;</td>
            <td>&nbsp;</td>
            <td><input type="submit" value="Login"></td>
        </tr>
    </form>
</table>