For isolated previews, theme switching, and sandbox editing, open the Banner playground on holydocs.com .

When to use

Use this component when you need stronger document structure, annotation, or narrative pacing inside a page.

Live Examples

Every example below renders the real component directly inside HolyDocs, followed by the exact MDX you can paste into a page.

Info

Standard informational announcement.

mdx
<Banner variant="info">This API version will be sunset on March 1, 2025. Please migrate to v2.</Banner>

Warning

Urgent deprecation or breaking-change notice.

mdx
<Banner variant="warning">Breaking change: the `user.name` field has been renamed to `user.displayName`.</Banner>

Success

Positive status announcement.

mdx
<Banner variant="success">v2.0 is now generally available! See the migration guide for details.</Banner>

New Feature

Highlight a new feature or capability.

mdx
<Banner variant="new">New: AI-powered search is now available on all paid plans.</Banner>

Props

PropTypeDefaultDescription
variantstringinfoVisual style of the banner.
dismissiblebooleantrueWhether the banner can be dismissed.

Usage

Start from this baseline shape and then tailor the copy, data, or nesting to the page you are writing.

mdx
<Banner variant="info">This API version will be sunset on March 1, 2025. Please migrate to v2.</Banner>

Tips

  • Keep the surrounding copy short so the component remains the focal point instead of becoming redundant chrome.
  • Prefer one clear job per component instance. If a block is trying to explain, navigate, and warn at the same time, split it up.
  • Check the page in both light and dark mode when you stack multiple content components together. Dense compositions can feel heavier than expected.
Callout

Highlighted message blocks for drawing attention to notes, tips, warnings, and other contextual information.

Learn More
Card

Versatile content containers that can display titles, icons, descriptions, and optional links.

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CardGroup

Responsive grid container for laying out multiple cards in even columns.

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