stylerblock is a useful block in which you can add and save the styles you want and then apply them to another block as a virtual class.
This comes in hand when you are using the Cwicly Cloud Design Library and want to add your customisations quickly and efficiently.
stylerblock using the block inserter.
Add the styles you wish to save in the
stylerblock (typography, colours, borders, etc).
stylerblock selected, copy the class name.
Select the block to which you wish the
stylerblock styles to be applied.
stylerblock class name as a virtual class and the styles will be applied as usual.