Why does the Event Calendar show upcoming events below the calendar, and not on the side?

All Amelia forms are dynamic, meaning they look different on different screen sizes.

Amelia's Events Calendar is supposed to look like this on desktops and all screens above 992px in width:

If you're seeing the calendar with the "Upcoming events" section displayed below the calendar on a wide screen, that means that the container on the page on which the form is placed is smaller in size. The solution here would be to adjust the width of the container in your page builder.