The MarginContainer right and bottom properties do not appear to set margin values but instead offsets relative to each opposite side.
right
bottom
How can I set bottom and right margins?
Nevermind, I found the answer. https://docs.godotengine.org/en/stable/tutorials/gui/gui_containers.html#margin-container
The Containers page has information about MarginContainer that the MarginContainer page doesn't have.
