Is there a minimum row height for a table? Storyline 360

I think I have found the (or an) issue.

Yes, you can edit margins. I actually think the large 10 px margins are a bit much.

But, I also found that when I have rows in a table, without text inside all of the cells, the rowheight cannot be shrunk down... It looks that the automatic formatting resets the cell to the standard 21.5 fontsize.

As long as there is at least a character inside a cell like a " - ", you are able to shrink the row height to whatever you want.

As an explaination: Row 1 and 2 can be changed in height. Row 3 and 4 can not, because there are empty cells in the row. Row height and margins are in the image. Also see what happens with marked text as it crosses into the cells above and below.