I spent more than an hour trying to figure this out.
This is not a complaint. Instead, I want you to know
that I tried hard before asking you folks for help.
How can I set the vertical distance between the
three blocks on the top row and the two blocks
in the bottom row … in other words some white
space between the two rows?
Then you must only insert on the block/container in the first row: padding-bottom: 20px;
Or in the upper container padding-top: 20px;
You can change this also in the (gutenberg)- Editor. Choose the correct container and change the values.
Depending on your settings you can use margin or padding
manual: