1e41f4b71Sopenharmony_ci# stack
2e41f4b71Sopenharmony_ci
3e41f4b71Sopenharmony_ci
4e41f4b71Sopenharmony_ciThe **\<stack>** component provides a stack container where child components are successively stacked and the latter one overwrites the previous one.
5e41f4b71Sopenharmony_ci
6e41f4b71Sopenharmony_ci> **NOTE**
7e41f4b71Sopenharmony_ci>
8e41f4b71Sopenharmony_ci>The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
9e41f4b71Sopenharmony_ci
10e41f4b71Sopenharmony_ci
11e41f4b71Sopenharmony_ci## Child Components
12e41f4b71Sopenharmony_ci
13e41f4b71Sopenharmony_ciSupported
14e41f4b71Sopenharmony_ci
15e41f4b71Sopenharmony_ci
16e41f4b71Sopenharmony_ci## Attributes
17e41f4b71Sopenharmony_ci
18e41f4b71Sopenharmony_ciThe [universal attributes](js-service-widget-common-attributes.md) are supported.
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20e41f4b71Sopenharmony_ci
21e41f4b71Sopenharmony_ci## Styles
22e41f4b71Sopenharmony_ci
23e41f4b71Sopenharmony_ciThe [universal styles](js-service-widget-common-styles.md) are supported.
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25e41f4b71Sopenharmony_ci
26e41f4b71Sopenharmony_ci## Events
27e41f4b71Sopenharmony_ci
28e41f4b71Sopenharmony_ciThe [universal events](js-service-widget-common-events.md) are supported.
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30e41f4b71Sopenharmony_ci
31e41f4b71Sopenharmony_ci## Example
32e41f4b71Sopenharmony_ci
33e41f4b71Sopenharmony_ci
34e41f4b71Sopenharmony_ci```html
35e41f4b71Sopenharmony_ci<!-- xxx.hml -->
36e41f4b71Sopenharmony_ci<stack class="stack-parent">
37e41f4b71Sopenharmony_ci  <div class="back-child bd-radius"></div>
38e41f4b71Sopenharmony_ci  <div class="positioned-child bd-radius"></div>
39e41f4b71Sopenharmony_ci  <div class="front-child bd-radius"></div>
40e41f4b71Sopenharmony_ci</stack>
41e41f4b71Sopenharmony_ci```
42e41f4b71Sopenharmony_ci
43e41f4b71Sopenharmony_ci
44e41f4b71Sopenharmony_ci```css
45e41f4b71Sopenharmony_ci/* xxx.css */
46e41f4b71Sopenharmony_ci.stack-parent {
47e41f4b71Sopenharmony_ci  width: 400px;
48e41f4b71Sopenharmony_ci  height: 400px;
49e41f4b71Sopenharmony_ci  margin: 50px;
50e41f4b71Sopenharmony_ci  background-color: #ffffff;
51e41f4b71Sopenharmony_ci  border-width: 1px;
52e41f4b71Sopenharmony_ci  border-style: solid;
53e41f4b71Sopenharmony_ci}
54e41f4b71Sopenharmony_ci.back-child {
55e41f4b71Sopenharmony_ci  width: 300px;
56e41f4b71Sopenharmony_ci  height: 300px;
57e41f4b71Sopenharmony_ci  background-color: #3f56ea;
58e41f4b71Sopenharmony_ci}
59e41f4b71Sopenharmony_ci.front-child {
60e41f4b71Sopenharmony_ci  width: 100px;
61e41f4b71Sopenharmony_ci  height: 100px;
62e41f4b71Sopenharmony_ci  background-color: #00bfc9;
63e41f4b71Sopenharmony_ci}
64e41f4b71Sopenharmony_ci.positioned-child {
65e41f4b71Sopenharmony_ci  width: 100px;
66e41f4b71Sopenharmony_ci  height: 100px;
67e41f4b71Sopenharmony_ci  left: 50px;
68e41f4b71Sopenharmony_ci  top: 50px;
69e41f4b71Sopenharmony_ci  background-color: #47cc47;
70e41f4b71Sopenharmony_ci}
71e41f4b71Sopenharmony_ci.bd-radius {
72e41f4b71Sopenharmony_ci  border-radius: 16px;
73e41f4b71Sopenharmony_ci}
74e41f4b71Sopenharmony_ci```
75e41f4b71Sopenharmony_ci**4 x 4 widget**
76e41f4b71Sopenharmony_ci
77e41f4b71Sopenharmony_ci![Stack](figures/stack.PNG)
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