In order to customize the wines slider on the homepage, please follow the steps below:

Step 1. Click on the "Edit with Elementor" link in the WordPress toolbar, then locate the slider section and click on it:

Step 2: You can edit here the Slides' background images and styles:

https://elementor.com/help/slides-widget-pro/
Step 3: You'll notice that the slide's content is an Elementor Template shortcode:

Remember the template id (for instance id="3260"), then go to Dashboard > Templates > Saved Templates and locate each of the tabs templates and click on "Edit with Elementor":

Step 4: Here you can customize the slide's content:

Guide to Vamtam Elementor Builder