In this Next Series, we Learn How to add CSS's own Project with Easy Steps.

Good News is that Next.js provide custom CSS functionality. You just Use A next.js plugin inside your project and use it.

Whats Is Next.js?

Make sure Read Basic Introduction About Next.js #SeriesStart 💕

What is Next.js?
Basic Introduction About Next.js #SeriesStart 💕

New Update:

Next.js Version 9.3 Support CSS Global Stylesheets. Now you add CSS directly Import .css files as global stylesheets.

import './style.css'

Go To Github Download or Use Npm:

npm install --save @zeit/next-css
or
yarn add @zeit/next-css

Create a next.config.js in the root of your project

Default:

default config use for import CSS Global stylesheet in custom _app.js

const withCSS = require('@zeit/next-css')
module.exports = withCSS({})

Custom:

custom config use for import CSS in other Components like header, footer like so.

const withCSS = require('@zeit/next-css')
module.exports = withCSS({
cssModules: true  // After true than use import statement in next.js
})

How To add Global CSS:

when you create app use npm I next in that case global app create by default in your project otherwise your create Global in your project in import your Global CSS file in next.js

import '../styles.css'
or
import '../styles.scss'
// This default export is required in a new `pages/_app.js` file.
export default function MyApp({ Component, pageProps }) {
  return <Component {...pageProps} />
}

Demo:

Get Source Code

Reference:

Basic Features: Built-in CSS Support | Next.js
Next.js supports including CSS files as Global CSS or CSS Modules, using `styled-jsx` for CSS-in-JS, or any other CSS-in-JS solution! Learn more here.
official Next.js docu
Next.js 9.2
Next.js 9.2 introduces native support for CSS, aggressive code-splitting, catch-all dynamic routes, and more!
Inderoduction documents Next.js 9.2
Next.js 10
Next.js 10 introduces Built-in Image Optimization, Internationalized Routing, Next.js Analytics, React 17 Support, and more!
Inderoduction documents Next.js 10
What is Next.js?
Basic Introduction About Next.js #SeriesStart 💕
Whats Next.js&nbsp;

Contact me