At this point, the new Layout Template system is "beta" and is running
parallel to the existing Cards & Layouts system.You can duplicate
designs into the the new system, but the old designs remain
available.The new Layout Templates system has it's own Default Card,
select it and edit as you wish. Change the name of this card if you like
-- but note that when you look at mapping, the bottom card has a special
icon, a bit like an open box with little blocks dropping into it. This
"catch all" icon ...