In the "Position" tab you can choose the position of the popup, where it appears.
Use the "Animation" tab to select an animation of how it appears to customers.
In the Layout section, you can change the layout image, position, and size.
Here you also can change the popup width and content max width.
To change the layout style click on the pencil icon.
Here you can hide the background image on mobile, enable image contain, customize the look of popup and image(borders, margins, paddings).
Once you are done with customization don’t forget to click the Save button.
You can also edit background size, horizontal and vertical position in the Layout section.
Wizard
If your popup has several steps you can enable a wizard to show the customer how many steps are left. Choose wizard alignment, and edit the names of the steps if necessary.
To customize the wizard style click on the pencil icon.