# Dark Divider

Thin horizontal rule for dark theme pages

## Surfaces

web, google-apps-script-web, mcp-apps

## Fields

| Field | Type |
|---|---|
| colour | string (optional, hex) |
| margin | string (optional, CSS margin) |
| height | string (optional, CSS height) |

## Example payload

```json
{
  "type": "dark_divider"
}
```

Live page: https://a2uicatalog.ai/atoms/dark_divider/
Full field contract: https://a2uicatalog.ai/spec.json