# Background Shapes

> An SVG background that fills a mirrored grid with randomly changing geometric cells (lines, circles, squares) for an animated decorative backdrop.

- Author: [UI Capsule](https://21st.dev/@uicapsule)
- Library: UI Capsule
- License: mit
- Tags: Background, Grid, Animated, SVG, Decorative
- Live preview: https://21st.dev/@uicapsule/components/background-shapes

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/uicapsule/background-shapes?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/background.md