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AccordionSummary API

API documentation for the React AccordionSummary component. Learn about the available props, and the CSS API.

Import

import AccordionSummary from '@material-ui/core/AccordionSummary';
// or
import { AccordionSummary } from '@material-ui/core';
You can learn about the difference by reading this guide on minimizing bundle size.

Component name

The name MuiAccordionSummary can be used when providing default props or style overrides in the theme.

Props

NameTypeDefaultDescription
childrennodeThe content of the accordion summary.
classesobjectOverride or extend the styles applied to the component. See CSS API below for more details.
expandIconnodeThe icon to display as the expand indicator.
focusVisibleClassNamestringThis prop can help a person know which element has the keyboard focus. The class name will be applied when the element gain the focus through a keyboard interaction. It's a polyfill for the CSS :focus-visible selector. The rationale for using this feature is explained here. A polyfill can be used to apply a focus-visible class to other components if needed.

The ref is forwarded to the root element.
Any other props supplied will be provided to the root element (ButtonBase).

Inheritance

While not explicitly documented above, the props of the ButtonBase component are also available on AccordionSummary. You can take advantage of this to target nested components.

CSS

Rule nameGlobal classDescription
root.MuiAccordionSummary-rootStyles applied to the root element.
expanded.Mui-expandedPseudo-class applied to the root element, children wrapper element and `IconButton` component if expanded={true}.
focusVisible.Mui-focusVisiblePseudo-class applied to the ButtonBase root element if the button is keyboard focused.
disabled.Mui-disabledPseudo-class applied to the root element if disabled={true}.
content.MuiAccordionSummary-contentStyles applied to the children wrapper element.
expandIconWrapper.MuiAccordionSummary-expandIconWrapperStyles applied to the `expandIcon`'s wrapper element.

You can override the style of the component using one of these customization options: If that isn't sufficient, you can check the implementation of the component for more detail.

Demos