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Spatial System

Eufemia has a Spatial System with a grid of 8px (0.5rem). This is simply a guide grid which helps with making design decisions about the sizes of components, elements, margins, paddings etc.

UX layout spacing

Also have a look at the designers example guide on using Eufemias spatial system for layout.

Spacing Helpers

Spacing follows a specific pattern:

PixelTypeRemCustom Property

NB: In some circumstances you may be in need of using 0.25rem (4px) - therefore xx-small also exists, but as a single type. So, combining xx-small and small would not result in 0.25rem, but still remain 1rem.

Code Editor Extensions

You may be interested to install an Eufemia code editor extension that allows you to quickly auto complete the correct spacing.

Components and Spacing

Also, have a look at the Space component and the fact that every component supports spacing out of the box.

<Button top="small" />
<Button right="large x-small medium" />
<Button space={{ top:'small', right: 'large x-small medium' }} />

CSS Custom Property

margin-top: calc(var(--spacing-large) + var(--spacing-small));

The Space component and Space Components (Emotion)

import { Space } from '@dnb/eufemia/components'
// A div with a margin-top of 2.5rem
<Space top="large x-small">
// With Styled Components
const Custom = styled(Space)`
/* additional css */
<Custom top="large x-small">

Using Spacing helpers

You may use the internals to build helpers suited to your needs.

import { calc } from '@dnb/eufemia/components/space/SpacingUtils'
// With Styled Components
const StyledDiv = styled.div`
margin-top: ${calc('medium large')};
margin-top: ${calc('medium', 'large')};
margin-top: ${calc('1.5rem', '2rem')};
margin-top: ${calc('24px', '32px')};

All of the examples do output: calc(var(--spacing-medium) + var(--spacing-large))

Invalid values will be corrected to its nearest spacing type (e.g. 17px to var(--spacing-small)).