# Matte Bookmark Button

> A toggleable bookmark/save button with a matte dark surface, a ribbon icon that fills in and an animated label swap between "Bookmark" and "Bookmarked". Ported to React from SLtowl's sl-ui-library vanilla HTML/CSS/JS component.

- Author: [sltowl](https://21st.dev/@sltowl)
- Library: SLtowl
- License: MIT
- Tags: Button, Bookmark, Toggle, Save, Animation
- Live preview: https://21st.dev/@sltowl/components/matte-bookmark

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/sltowl/matte-bookmark?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/button.md