HTML <table> tag with custom style at PNLdev

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<!DOCTYPE html>
<html>
<head>
    <style>
        table, th, td {
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <table>
        <tr>
            <th>name</th>
            <th>email</th>
            <th colspan="2">tel</th>
        </tr>
        <tr>
            <td>ali</td>
            <td>aliheydari@gmail.com</td>
            <td>09212545859</td>
            <td>09126660031</td>
        </tr>
    </table>
    <hr>
    <table>
        <tr>
            <th>name</th>
            <td>ali</td>
        </tr>
        <tr>
            <th>email</th>
            <td>aliheydari@gmail.com</td>
        </tr>
        <tr>
            <th rowspan="2">Phone:</th>
            <td>123-45-678</td>
        </tr>
        <tr>
            <td>212-00-546</td>
        </tr>
    </table>
</body>
</html>