> For the complete documentation index, see [llms.txt](https://docs.hello-lisa.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hello-lisa.com/developers/guides/theming/theme-settings/common.md).

# Common

### `--lsc-backdrop-background-color`

[`Color`](/developers/guides/theming/types.md#color)

The default backdrop background color.

Default value: `#0c1f2d33` 

### `--lsc-backdrop-filter-radius`

`Integer` — \[ 0 .. 16 ]

The level of distortion applied to the backdrop of any LiSA widget or component that is rendered in an overlay, modal or bottom sheet.

Default value: `0`