Custom Classes (Layout Builder)

Add any custom classes to the layout block.

Bootstrap 4 Classes

Use can use most of the "Bootstrap 4" classes. 

For example: 

- mt-0 - margin top 0px

- mt-1, mt-2, mt-3, mt-4, mt-5 - from small to large top margin

- mt-n1, mt-n2, mt-n3, mt-n4, mt-n5 - negative top margins

More about spacing classes - https://getbootstrap.com/docs/4.3/utilities/spacing/