Font Weight

Utilities for controlling the font weight of an element.

React propsCSS Properties
fontWeight={weight}font-weight: {weight};

Usage

Control the font weight of an element using the fontWeight={weight} utilities.

<x.p fontWeight="hairline">Computers have lots ...</x.p> <x.p fontWeight="thin">Computers have lots ...</x.p> <x.p fontWeight="light">Computers have lots ...</x.p> <x.p fontWeight="normal">Computers have lots ...</x.p> <x.p fontWeight="medium">Computers have lots ...</x.p> <x.p fontWeight="semibold">Computers have lots ...</x.p> <x.p fontWeight="bold">Computers have lots ...</x.p> <x.p fontWeight="extrabold">Computers have lots ...</x.p> <x.p fontWeight="black">Computers have lots ...</x.p>

Responsive

To control the space between elements at a specific breakpoint, use responsive object notation. For example, adding the property fontWeight={{ md: "bold" }} to an element would apply the fontWeight="bold" utility at medium screen sizes and above.

<x.div fontWeight={{ xs: 'thin', md: 'bold' }}>{/* ... */}</x.div>

For more information about xstyled's responsive design features, check out Responsive Design documentation.

Customizing

Font Weights

If you'd like to customize your values for font weights, use the theme.fontWeights section of your theme.

// theme.js export const theme = { fontSizes: { - hairline: 100, + 'extra-light': 100, - thin: 200, light: 300, normal: 400, medium: 500, + semibold: 600, bold: 700, - extrabold: 800, + 'extra-bold': 800, black: 900, }, }

If you don't want to customize it, a set of fontWeights is already defined in default theme:

const defaultTheme = { // ... fontWeights: { hairline: '100', thin: '200', light: '300', normal: '400', medium: '500', semibold: '600', bold: '700', extrabold: '800', black: '900', }, }

Styled bindings

Automatic

Using xstyled's styled, all font weights defined are automatically bound to font-weight attribute:

import styled from '@xstyled/...' const Title = styled.h4` font-weight: semibold; `

To learn more about styled syntax, read styled syntax documentation.

Manual

It is possible to manually bind a font size using th.fontWeight utility:

import styled from '...' import { th } from '@xstyled/system' const Title = styled.h4` font: ${th.fontWeight('semibold')}; `

Hooks

Get a font size in any component using useFontWeight hook:

import { useFontWeight } from '@xstyled/...' function Title() { const fontWeight = useFontWeight('semibold') }
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