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index.html
 
<!DOCTYPE html>
<html>
    <head>
        <style>
            table {
                border-collapse: collapse;
                width: 100%;
            }
            th, td {
                border: 1px solid #ddd;
                padding: 8px;
                text-align: center;
            }
            th {
                background-color: #f4f4f4;
                font-weight: bold;
            }
        </style>
    </head>
    <body>
        <h2>Styled Table</h2>
        <table>
            <tr>
                <th>Name</th>
                <th>Age</th>
                <th>City</th>
            </tr>
            <tr>
                <td>John</td>
                <td>25</td>
                <td>New York</td>
            </tr>
        </table>
    </body>
</html>