max width resolution

add_action('jnews_single_post_before_content',function () {
    ?>
    <script>
        (function (){
            featured = document.querySelector('.jeg_featured.featured_image img');
            parent_node = featured.closest('.jeg_featured');
            parent_node.style.maxWidth = `${featured.getAttribute('width')}px`;
            parent_node.style.marginLeft = 'auto';
            parent_node.style.marginRight = 'auto';
        })();
    </script>
    <?php
});