This is simple script to change the current Add To Cart button to new style as picture above Please add this snippet below to your functions.php file into your theme. Or you can install Code Snippets plugin then add new one and paste snippet below.

This is simple script to change the current Add To Cart button to new style as picture featured. Please add this snippet below to your functions.php

This snippets will help your site get more visual with customer. Just copy this code to your functions.php of theme or install plugin Code Snippets then create new one with this snippet.