Anotomy

Structure of the breadcrumb and how its internal parts are composed. These are the breadcrumb's semantic parts, so they are also what the classNames and styles objects accept.
Breadcrumb anotomy
NameDescription
1rootThe <nav> around the trail, with the text color and size every crumb inherits.
2itemOne crumb, from an entry in items: its title, an optional icon, and a link when it has href or path. An entry with menu adds a dropdown arrow.
3separatorThe mark between two crumbs, never after the last one. separator replaces it for the whole trail, and "" removes it.