Box API

API reference docs for the React Box component. Learn about the props, CSS, and other APIs of this exported module.

Component demos

For examples and details on the usage of this React component, visit the component demo pages:

import Box from '@mui/system/Box';
// or
import { Box } from '@mui/system';

Props of the native component are also available.

component

The component used for the root node. Either a string to use a HTML element or a component.

Type:elementType

The system prop that allows defining system overrides as well as additional CSS styles.

See the `sx` page for more details.

Type:Array<func | object | bool> | func | object

As a CSS utility, the Box component also supports all system properties. You can use them as props directly on the component.

The ref is forwarded to the root element.

These class names are useful for styling with CSS. They are applied to the component's slots when specific states are triggered.

.MuiBox-root

Styles applied to the root element.

Rule name:root

You can override the style of the component using one of these customization options:

With a global class name.
With a rule name as part of the component's styleOverrides property in a custom theme.