ElementType
A predicate that holds if the given type name matches the type
of the target element. In contrast to web CSS, in Laika
this is not a tag name, but the (unqualified) name
of the class of the target element instance (e.g. Paragraph).
A predicate that holds if the given type name matches the type
of the target element. In contrast to web CSS, in Laika
this is not a tag name, but the (unqualified) name
of the class of the target element instance (e.g. Paragraph).