I think they adopted Corinthian order, for this type of orders can be seen on many cathedrals around Europe including those in France, Malta (Valletta), etc.
These figural-based designs are made of colorful, geometric patterns known as “arabesques,” a word meaning “in the Arab style.” As these patterns seem to have no beginning or end, they are used to represent the beginning-less and end-less nature of life, I hope that’s helpful
plaster because that the only thing that they had to work with.