> For the complete documentation index, see [llms.txt](https://spectrecss.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://spectrecss.angular-package.dev/mixin/control-shadow.md).

# control-shadow()

{% code title="" lineNumbers="true" %}

```scss
// Component focus shadow
@mixin control-shadow($color: 'primary') {
  box-shadow: 0 0 0 0.1rem color($color, $alpha: 0.2);
}
```

{% endcode %}