How to Add a Class to ‘the_post_thumbnail’ a Featured Image

Do you want to add a Class to the_post_thumbnail (Featured Image) in WordPress with just by simple code?

Then you came to the right place.

Here:

We have written custom function that will help you to easily add Class to the your Post featured image.

Just follow below steps.

Add Class to the_post_thumbnail

First, copy and paste the below embedded code into your WordPress theme’s functions.php file.

Code for Add Custom Class to Featured Image

After that:

Change the Class value to whatever class you want to give.

For Example: I want to add a class which named should be ‘product-img’, So I would change the class name from responsive-img to product-img

That’s it.

Hope you understand this guide and the code is smoothly working.

Read also: Add Custom Attribute to Featured Image

If you face any error or have some questions, you can comment below.

Also, Don’t forget to share this Add a Class to “the_post_thumnbail” WordPress function guide.