# Border Beam

> An animated beam of light that travels along the border of a container to highlight cards, buttons, and inputs.

- Author: [GooseUI](https://21st.dev/@gooseui)
- Library: GooseUI
- License: MIT
- Tags: Animation, Border, Beam, Glow
- Live preview: https://21st.dev/@gooseui/components/border-beam

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/gooseui/border-beam?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/animation.md