While scripts’ lazy loading some layout elements can be visible incorrectly. So, there are predefined adjustable styles corrections and layout compensations to provide correct visibility of supported elements like Elementor’s widgets, different sliders etc.
In many cases it is enough to add some styles to correct visibility of elements. There are already many predefined styles and other can be added manually in related settings.
In complex cases, when styles corrections are not enough, there is a need to support particular layout. It is implemented in product’s code. List of all current supported widgets are available in related settings.