Adding a chapter margin to your chapter will shrink the slide content to allow room for menus and other pinned (fixed position) components.

The most common use case is to use chapter margins to create space for a chapter layer menu. This will ensure that any slide content will not be cropped or overlayed by the chapter menu. View this example below.

Find your menu height

(In the example the menu height is 100px, see the height in the Size and Position Panel)

Select your components you'd like to prevent overlap from chapter components

(For this slide, we'd like to just prevent the overflowing slide text from going behind the menu)

We'll add a top 100px margin to the chapter, which will push down the slide content.

After saving all components on the slide layers in the chapter that was just editing will have a top margin of 100px.