# Banner

> A versatile notification banner component with gradient background and grid pattern overlay. Originally designed for Dub.co's domain claim notifications.  Features - Dismissible banner with close button - Optional icon with circular background - Customizable action button - "Learn more" link support - Responsive layout (mobile/desktop) - Built-in grid pattern background

- Author: [Dub.co](https://21st.dev/@dubinc)
- Library: [Dub](https://21st.dev/@dubinc/library/dub)
- License: mit
- Tags: Banner, Announcement
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@dubinc/components/banner

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/dubinc/banner?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/banner.md