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https://github.com/rebassjs/grid

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https://github.com/rebassjs/grid

css css-in-js emotion flexbox grid layout margin padding react responsive styled-components styled-system

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# Rebass Grid



Responsive React grid system built with

[styled-system][], with support for

[styled-components][] and

[emotion][] (previously called `grid-styled`)



https://rebassjs.org/grid



[![Build Status][badge]][travis]

[![Downloads][downloads-badge]][npm]

[![Version][version-badge]][npm]



[badge]: https://flat.badgen.net/travis/rebassjs/grid/master

[travis]: https://travis-ci.org/rebassjs/grid



[downloads-badge]: https://flat.badgen.net/npm/dw/@rebass/grid

[version-badge]: https://flat.badgen.net/npm/v/@rebass/grid

[npm]: https://npmjs.com/package/@rebass/grid



## Getting Started



```sh

npm i @rebass/grid

```



```jsx

import React from 'react'

import { Flex, Box } from '@rebass/grid'



const App = () => (

  

    

      Half width

    

    

      Half width

    

  

)

```



### Emotion



*Or* for emotion , import `@rebass/grid/emotion`  (uses v10 `@emotion/styled`)



```js

import { Flex, Box } from '@rebass/grid/emotion'

```



## Box



The Box component handles width, margin and padding.



```jsx

// Different widths at different breakpoints



// Fixed pixel width



// CSS value width



```



```jsx

// Padding



// Padding top



// Padding bottom



// Padding left



// Padding right



// x-axis padding (left and right)



// y-axis padding (top and bottom)



```



```jsx

// Margin



// Margin top



// Margin bottom



// Margin left



// Margin right



// x-axis margin (left and right)



// y-axis margin (top and bottom)



```



```jsx

// margin auto



// negative margins



```



## Props



All @rebass/grid components use [styled-system][] for style props,

which pick up values from a [theme](#theming) and allow for responsive styles to be passed as [array values](#responsive-styles).



### `width` (number|string|array)



Sets width, where numbers `0-1` are percentage values, larger numbers are pixel values, and strings are raw CSS values with units.

Pass an array to set different widths at different breakpoints for

[responsive styles](#responsive-styles).



### Margin and Padding Props



Both margin and padding props accept numbers, strings, and arrays as values.

Using a number from `0-8` (i.e. an index of `theme.space`) will reference a step on the spacing scale.

Larger numbers are converted to pixel values.

Negative Numbers can be used to set negative margins and compensate for grid gutters.

Strings are passed directly for other valid CSS values.



Use array values to set different margin or padding values per breakpoint for

[responsive styles](#responsive-styles).



Margin and padding props follow a shorthand syntax for specifying direction.



- `m`:  margin

- `mt`: margin-top

- `mr`: margin-right

- `mb`: margin-bottom

- `ml`: margin-left

- `mx`: margin-left and margin-right

- `my`: margin-top and margin-bottom

- `p`:  padding

- `pt`: padding-top

- `pr`: padding-right

- `pb`: padding-bottom

- `pl`: padding-left

- `px`: padding-left and padding-right

- `py`: padding-top and padding-bottom



### `flex` (string|array)



Sets the `flex` property.



```jsx



```



### `order` (number|string|array)



Sets the `order` property.



```jsx



```



### `alignSelf` (string|array)



Sets the `align-self` property.



```jsx



```



### `css` (string|object)



Pass styles to styled-components or emotion.

This is useful as an escape hatch for one-off styles

or as a way to extend Rebass Grid components.



```jsx



```



## `Flex`



The Flex component extends the Box component and sets display flex.



```jsx

import React from 'react'

import { Flex, Box } from '@rebass/grid'



const App = props =>

  

    Flex

    Box

  

```



In addition to the Box component props,

Flex also includes the following:



- `alignItems` (string|array) sets `align-items`

- `justifyContent` (string|array) sets `justify-content`

- `flexDirection` (string|array) sets `flex-direction`

- `flexWrap` (string|array) sets `flex-wrap: wrap`



## Responsive Styles



Rebass Grid props accept arrays as values for mobile-first responsive styles,

where the first value is for all breakpoints, then each value after is for a min-width

media query from that breakpoint and up.



```jsx

// 100% below the smallest breakpoint,

// 50% from the next breakpoint and up,

// and 25% from the next breakpoint and up



// responsive margin



// responsive padding



```



## Extending Components



Component can be extended with React or using styled-components or emotion.



### InlineFlex



```jsx

import React from 'react'

import { Flex } from '@rebass/grid'



const InlineFlex = props =>

  

```



```jsx

// styled-components example

import styled from 'styled-components'

import { Flex } from '@rebass/grid'



const InlineFlex = styled(Flex)`

  display: inline-flex;

`

```



### Max-Width Container



```jsx

import React from 'react'

import { Box } from '@rebass/grid'



const Container = props =>

  

```



```js

// styled-components example

import styled from 'styled-components'

import { Box } from '@rebass/grid'



const Container = styled(Box)`

  max-width: 1024px;

`

Container.defaultProps = {

  mx: 'auto'

}

```



### Auto Grid



This example creates components for a grid with set gutters where the columns expand to fill in the space.



```jsx

// Example

import React from 'react'

import { Flex, Box } from '@rebass/grid'



const Row = props => (

  

)



const Column = props => (

  

)

```



## Changing the HTML element



Rebass Grid is intended for use with styled-components v4.

To change the underlying HTML element, use the styled-components `as` prop.



```jsx



```



*Note:* Previous versions of grid-styled supported an `is` prop, which has been deprecated in favor of the styled-components `as` prop.



## Theming



Rebass Grid uses smart defaults, but to customize the values,

use the `ThemeProvider` component from styled-components or emotion.



```jsx

import React from 'react'

import { ThemeProvider } from 'styled-components'

import { Box } from '@rebass/grid'



const theme = {

  space: [ 0, 6, 12, 18, 24 ],

  breakpoints: [ '32em', '48em', '64em' ]

}



const App = () => (

  

    


      Box with custom spacing scale and breakpoints

    


  

)

```



### Breakpoints



The Flex and Box components use a mobile-first responsive approach,

where any value set works from that breakpoint and wider.

Breakpoints are hard-coded to the following min-widths: `40em`, `52em`, `64em`.



To customize, provide an array of string values that will be converted to media queries.



### Spacing Scale



Rebass Grid components' margin and padding props use a 4 step spacing scale to help

keep things aligned and keep layouts consistent.



The default scale is based on an 8px/powers-of-two grid: `[ 0, 4, 8, 16, 32, 64, 128, 256, 512 ]`,

which helps keep spacing consistent and elements aligned even when nesting components.



## Styled Space



Rebass Grid also works with the optional [Rebass Space][] package.



```jsx

import React from 'react'

import { Flex, Box } from '@rebass/grid'

import Space from '@rebass/space'



const App = () => (

  

    

      
Hello


      Beep

    

  

)

```



## Related



- [Rebass Space][]

- [styled-system][]

- [@rebass/components][]

- [Rebass](https://rebassjs.org/)

- [styled-components][]

- [emotion][]



[rebass space]: https://github.com/rebassjs/space

[styled-components]: https://github.com/styled-components/styled-components

[styled-system]: https://github.com/jxnblk/styled-system

[emotion]: https://github.com/emotion-js/emotion

[is-prop]: https://github.com/jxnblk/styled-system/tree/master/system-components#changing-the-underlying-html-element

[@rebass/components]: https://github.com/rebassjs/components



[MIT License](LICENSE.md)