If you are using the responsive web layouts on your WordPress site, but when you are using an image inside your WordPress posts and pages and also want to add extra responsive CSS class in every image you used on your WordPress site, then this tutorial is specially designed for you.
Keep your close attention in this tutorial as I am going to share how to add CSS class in every image for WordPress post.
Below code will add the “additional-class” CSS class within the edit pane when you insert any new images and it will not affect pre-existing ones.
$class .= ' additional-class';
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Prem Tiwari is the founder of FreeWebMentor.com and also a professional developer who has vast experience in PHP and open source technologies. Apart from this, he is a blogger by hobby and also he has been a regular speaker of WordPress sessions in various IT Companies. View all posts by Prem Tiwari
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