# stack
The **\<stack>** component provides a stack container where child components are successively stacked and the latter one overwrites the previous one.
> **NOTE**
>
>The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
## Child Components
Supported
## Attributes
The [universal attributes](js-service-widget-common-attributes.md) are supported.
## Styles
The [universal styles](js-service-widget-common-styles.md) are supported.
## Events
The [universal events](js-service-widget-common-events.md) are supported.
## Example
```html
<!-- xxx.hml -->
<stack class="stack-parent">
<div class="back-child bd-radius"></div>
<div class="positioned-child bd-radius"></div>
<div class="front-child bd-radius"></div>
</stack>
```
```css
/* xxx.css */
.stack-parent {
width: 400px;
height: 400px;
margin: 50px;
background-color: #ffffff;
border-width: 1px;
border-style: solid;
}
.back-child {
width: 300px;
height: 300px;
background-color: #3f56ea;
}
.front-child {
width: 100px;
height: 100px;
background-color: #00bfc9;
}
.positioned-child {
width: 100px;
height: 100px;
left: 50px;
top: 50px;
background-color: #47cc47;
}
.bd-radius {
border-radius: 16px;
}
```
**4 x 4 widget**
