fix: reset z-index instead of inherited unset (#1528)

Stephen Tse

2024-11-05 74f8c13598b00db30808b6d11fb691b38e313d93

 docs/features/breadcrumbs.md

@@ -20,6 +20,7 @@
  rootName: "Home", // name of first/root element
  resolveFrontmatterTitle: true, // whether to resolve folder names through frontmatter titles
  hideOnRoot: true, // whether to hide breadcrumbs on root `index.md` page
  showCurrentPage: true, // whether to display the current page in the breadcrumbs
})
```