I have found the file. for me section.product.css seems to work. I cannot speak to the button with “iframe#dummy-chat-button-iframe” though. when i use “iframe#ShopifyChat” it works, but that also moves the chat window when you click the button which is not wanted. Any suggestion?
Here is my store: https://thegainersclub.myshopify.com/products/zunehmshake