Full-width sections including Image with text (banner) and slideshow will expand to the full size of desktop browsers.
To contain these sections and match with sections that are not full-width, you can use the Enable container option in the Layout settings.
Example of full-width sections combined with regular sections:
The difference may seem subtle on smaller or regular screens, they are more pronounced with large or wide displays and when scrolling through the homepage.
When contained, the full-width images match the size of other sections:
Example of contained homepage sections:
To enable contained sections, use the checkbox found in the Layout settings under Theme settings: