## `GroupBoxStyle`
Defines the visual settings of a group box.
### Fields
- **`border_style`** (_[BorderStyle](./border.md)_): Defines the style of the background border.
- **`spacing`** (_length_): Defines the layout spacing. (default value: 0)
- **`padding`** (_length_): Defines the layout spacing. (default value: 0)
- **`title_horizontal_alignment`** (_length_): Defines the horizontal text alignment of the title. (default value: left)
- **`title_style`** (_[TextStyle](./text_base.md)_): Defines the style of the title.
## `GroupBoxBase`
The `GroupBoxBase` represents the base for group box elements that can be styled by using `GroupBoxStyle`.
### Properties
- **`title`** (_in_ _string_): Defines the text that is displayed on the top of the group box (default: "").
- **`style`** (_in_ _`GroupBoxStyle`_): Defines the style of the group box.
### Example
```slint
import { GroupBoxBase, TextBase } from "@vivi/foundation.slint";
export component MyGroupBox inherits GroupBoxBase {
style: {
background: black,
border_radius: 8px,
title_style: {
foreground: black,
font_size: 12px
}
};
VerticalLayout {
TextBase {
style: root.title_style;
text: root.title;
}
@children
}
}
export component Example inherits Window {
width: 200px;
height: 100px;
MyGroupBox {
title: "Group";
Rectangle {
width: 60px;
height: 60px;
background: green;
}
}
}
```