# adopt-styles
Adopt/apply given styles to a `ShadowRoot` using constructable styleSheets if supported
```hbs preview-template
{{#if this.shadow}}
{{#in-element this.shadow}}
{{adopt-styles this.shadow (css '
:host {
background-color: red;
width: 100px;
height: 100px;
}
')}}
{{/in-element}}
{{/if}}
```
## Positional Arguments
| Argument | Type | Default | Description |
| --- | --- | --- | --- |
| `params` | `[ShadowRoot, (CSSResultGroup \| CSSResultGroup[])]` | | |