When I refresh the page my table style is not applied

I’m trying to create a table. When I click on the “generate” button, it inserts rows with data such as page title, date, actions…
The problem is that when I click it, it generates the rows with the style I’ve added. But when I refresh the page, the style is no longer applied.

  public function woosterPartnerPluginSection()
    {
?>
        <section class="presentation-content">
            <?php
            do_settings_sections('wooster_gutenberg');
            ?>
            <h2>Générateurs de page</h2>
            <p>Choissisez le constructeur de page que vous préférez : </p> <?php
            do_settings_sections('wooster_form');
            // Conditionally display the buttons based on the presence and activation of Elementor plugin
            if ($this->ispluginElementorActive()) {
            ?>
            <!-- Display the buttons for both Gutenberg and Elementor -->
                <div style="display: flex;">
                    <form method="POST" action="">
                        <input type="hidden" name="submit-gutenberg" value="Gutenberg">
                        <input type="image" id="gutenberg_button" src="<?php echo plugins_url('assets/img/Gutenberg.png', __FILE__); ?>" alt="Gutenberg" width=100% height=100% />
                    </form>
                    <form method="POST" action="">
                        <input type="hidden" name="submit-elementor" value="Elementor">
                        <input type="image" id="elementor_button" src="<?php echo plugins_url('assets/img/Elementor.png', __FILE__); ?>" width=100% height=100% />
                    </form>
                </div>

            <?php } else { ?>
                <div style="display: flex;">
                    <form method="POST" action="">
                        <input type="hidden" name="submit-gutenberg" value="Gutenberg">
                        <input type="image" id="gutenberg_button" src="<?php echo plugins_url('assets/img/Gutenberg.png', __FILE__); ?>" width=100% height=100% />
                    </form>
                </div>
            <?php
            }
            ?>

        <div class="results-info">
        <?php
            $generated_pages = get_option('wooster_generated_pages', array());
            $num_generated_pages = count($generated_pages);
            echo 'Nombre de résultats : ' . $num_generated_pages;
        ?>
        </div>
        <div id="notification" class="notification">
            Page générée avec succès
        <table class="custom-table">
            <thead>
                <tr>
                <th scope="col" id="date" class="manage-column column-date">Titre</th>
                    <th scope="col" id="date" class="manage-column column-author">Date</th>
                    <th scope="col" id="constructor" class="manage-column column-author">Constructeur</th>
                    <th scope="col" id="actions" class="manage-column column-actions">Actions</th>
                </tr>
            </thead>
            <tbody id="generated-pages">
            </tbody>
        </table>
                <script>
                    document.addEventListener('DOMContentLoaded', (event) => {
                        function updatePageWithNewPost(data, buttonValue, postId) {
                            const tableRow = document.createElement('tr');
                            tableRow.id = 'post-' + data.id;
                            tableRow.classList.add('custom-table-row');

                            const titleCell = document.createElement('td');
                            titleCell.textContent = data.title;

                            const constructorCell = document.createElement('td');
                            constructorCell.textContent = buttonValue;

                            const dateCell = document.createElement('td');
                            dateCell.textContent = data.date;

                            const actionsCell = document.createElement('td');
                            actionsCell.classList.add('actions');



                            const viewButton = document.createElement('button');
                            viewButton.classList.add('viewBtn');
                            viewButton.innerHTML = '<i class="fas fa-eye fa-lg"></i>';
                            viewButton.dataset.previewUrl = data.previewUrl;

                            viewButton.addEventListener('click', () => {
                                const previewUrl = viewButton.dataset.previewUrl;
                                window.location.href = previewUrl;
                            });

                            actionsCell.appendChild(viewButton);

                            const editButton = document.createElement('button');
                            editButton.classList.add('editBtn');
                            editButton.innerHTML = '<i class="fas fa-edit fa-lg"></i>';
                            editButton.addEventListener('click', () => {
                                const editUrl = '<?php echo admin_url('post.php?action=edit&post='); ?>' + data.id;
                                window.location.href = editUrl;
                            });

                            const deleteButton = document.createElement('button');
                            deleteButton.classList.add('deleteBtn');
                            deleteButton.innerHTML = '<i class="fas fa-trash-alt fa-lg"></i>';
                            deleteButton.dataset.postId = data.id;

                            deleteButton.addEventListener('click', function() {
                                const postId = this.dataset.postId;
                                const rowToDelete = this.closest('tr');

                                if (confirm('Êtes-vous sûr de vouloir supprimer ce post ?')) {
                                    fetch('<?php echo admin_url('admin-ajax.php'); ?>', {
                                            method: 'POST',
                                            headers: {
                                                'Content-Type': 'application/x-www-form-urlencoded',
                                            },
                                            body: 'action=delete_post&id=' + postId,
                                        })
                                        .then(response => response.json())
                                        .then(data => {
                                            if (data.success) {
                                                rowToDelete.remove();
                                            } else {
                                                console.error('Erreur lors de la suppression du post');
                                            }
                                        })
                                        .catch(error => {
                                            console.error('Erreur:', error);
                                        });
                                }
                            });

                            actionsCell.appendChild(viewButton);
                            actionsCell.appendChild(editButton);
                            actionsCell.appendChild(deleteButton);

                            tableRow.appendChild(titleCell);
                            tableRow.appendChild(dateCell);
                            tableRow.appendChild(constructorCell);
                            tableRow.appendChild(actionsCell);

                            document.getElementById('generated-pages').appendChild(tableRow);
                            // const tableBody = document.getElementById('generated-pages');
                            // tableBody.appendChild(tableRow);

                        }

                        const gutenbergButton = document.getElementById('gutenberg_button');
                        const elementorButton = document.getElementById('elementor_button');

                        const gutenbergForm = gutenbergButton.closest('form');
                        const elementorForm = elementorButton.closest('form');

                        const forms = [gutenbergForm, elementorForm];

                        forms.forEach(form => {
                            form.addEventListener('submit', function(e) {
                                e.preventDefault();
                                const buttonValue = form.querySelector('[type="hidden"]').value;
                                const formData = new FormData(form);
                                formData.append('action', 'create_post');

                                fetch('<?php echo admin_url('admin-ajax.php'); ?>', {
                                        method: 'POST',
                                        body: formData
                                    })
                                    .then(response => response.json())
                                    .then(data => {
                                        updatePageWithNewPost(data, buttonValue, data.id);
                                        posts.push(data);
                                        showNotification();

                                    });

                            });
                        });

to add the element , I use a loop and display all the data from $generated_pages. This is the row:

    public function display_generated_pages()
    {
        $generated_pages = get_option('wooster_generated_pages', array());
        $updated_pages = array();

        foreach ($generated_pages as $page) {
            $post = get_post($page['id']);
            if ($post) {
            if ($post && ($post->post_status == 'draft' || $post->post_status == 'publish')) {

                echo '<tr id="post-' . esc_attr($page['id']) . '" class="custom-table-row">';
                echo '<td>' . esc_html($page['title']) . '</td>';
                echo '<td>' . esc_html($page['title']) . '</td>';
                echo '<td>' . esc_html($page['date']) . '</td>';
                $constructor = '';
                if (isset($_POST['submit-gutenberg']) && $_POST['submit-gutenberg'] === 'Gutenberg') {
                    $constructor = 'Gutenberg';
                } elseif (isset($_POST['submit-elementor']) && $_POST['submit-elementor'] === 'Elementor') {
                    $constructor = 'Elementor';
                }
                echo '<td>' . esc_html($constructor) . '</td>';
                echo '<td class="actions">';
                echo '<button class="viewBtn" data-preview-url="' . esc_url($page['previewUrl']) . '"><i class="fas fa-eye fa-lg"></i></button>';
                echo '<button class="editBtn"><i class="fas fa-edit fa-lg"></i></button>';
                echo '<button class="deleteBtn" data-post-id="' . esc_attr($page['id']) . '"><i class="fas fa-trash-alt fa-lg"></i></button>';
                echo '</td>';
                echo '</tr>';



                // Ajoutez la page existante à la liste mise à jour
                $updated_pages[] = $page;
            } elseif ($post->post_status != 'trash') {
                $updated_pages[] = $page;
            }
            }
        }

        // Mettez à jour l'option avec la liste des pages existantes
        update_option('wooster_generated_pages', $updated_pages);
    }

mytable