Hi Fernando,
Maybe this topic will help you as it seems to answer the same concern:
However, please note that this plugin has not been tested with our product.
You might require extra customization work if you wish to make it fit perfectly with your website. Unfortunately, this is a service that we do not provide.
We only share snippet only to solve issues with our theme. Any further request for CSS snippets will have to be part of a defect that needs to be fixed urgently. No snippets will be shared otherwise. As theme authors, the installation, setting or debugging of third party plugins isn’t part of the support we will provide. In consequence, our recommendation is to hire a freelancer to do this job for you.
If you’re on a tight budget, we recommend you to require the services from Envato Studio freelancers (https://studio.envato.com/explore/websites-programming). This web platform gives you access to developers who have already experience with theme customizations, and for very competitive prices.
Best,