Like the blank Area widget, empty columns are also treated as an error.
To create spacing that will guarantee your website:
You must use at least one of the two values that each widget on your website has. These are:
In practice, margins and paddings are often the same, as there are not many significant differences between them. If necessary, you can use both the padding and the margin at the same time.
When you place the widget in another one, you can use padding to separate the contents of the internal widget from the external one.
For example, you put the TEXT widget in the COLUMNS widget and use padding to separate the text contents from the border of the column.
You already know how to properly create spacing on your website!