csstools
PostCSS Normalize 
PostCSS Normalize lets you use the parts of normalize.css or sanitize.css that you need from your browserslist.
@import "normalize.css";@import "sanitize.css";PostCSS Normalize uses a non-opinionated version of normalize.css, but an opinionated version may also be used.
@import "normalize.css/opinionated.css";Examples
Here is a sample of what normalize.css looks like when the browserslist
is ie >= 9:
/**
* Add the correct display in IE 9-.
*/
audio,
video {
display: inline-block;
}
/**
* Remove the border on images inside links in IE 10-.
*/
img {
border-style: none;
}And here is the same sample when the browserslist is ie >= 10:
/**
* Remove the border on images inside links in IE 10-.
*/
img {
border-style: none;
}Usage
Add PostCSS Normalize to your project:
npm install postcss-normalize --save-devAdd a browserslist entry in package.json:
{
"browserslist": "last 2 versions"
}Use PostCSS Normalize to process your CSS:
const postcssNormalize = require('postcss-normalize')
postcssNormalize.process(YOUR_CSS /*, processOptions, pluginOptions */)Or use it as a PostCSS plugin:
const postcss = require('postcss')
const postcssNormalize = require('postcss-normalize')
postcss([
postcssNormalize(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */)PostCSS Normalize runs in all Node environments, with special instructions for:
| Node | PostCSS CLI | Webpack | Create React App | Gulp | Grunt |
|---|
PostCSS Import Usage
PostCSS Normalize includes a postcssImport function to configure
PostCSS Import and allow you to continue using the @import syntax.
const postcss = require('postcss')
const postcssImport = require('postcss-import')
const postcssNormalize = require('postcss-normalize')
postcss([
postcssImport(
postcssNormalize(
/* pluginOptions (for PostCSS Normalize) */
).postcssImport(
/* pluginOptions (for PostCSS Import) */
)
)
]) // now you can use @import "normalize.css", etc. againAlternatively, use @import-normalize or @import-sanitize to avoid conflicts
with @import transforms.
@import-normalize;@import-normalize "normalize/opinionated.css";@import-sanitize;Options
allowDuplicates
The allowDuplicates option determines whether multiple, duplicate insertions
of CSS libraries are allowed. By default, duplicate libraries are omitted.
postcssNormalize({ allowDuplicates: true })forceImport
The forceImport option defines CSS libraries that will be inserted at the
beginning of the CSS file. Unless overriden by allowDuplicates, duplicate
CSS libraries would still be omitted.
postcssNormalize({ forceImport: true })Specific CSS libraries may be defined.
postcssNormalize({
forceImport: 'sanitize.css'
})browsers
The browsers option defines an override of the project’s browserslist for
PostCSS Normalize. This option should be avoided in leui of a browserslist
file.
postcssNormalize({ browsers: 'last 2 versions' })CSS Libraries
PostCSS Normalize can include normalize.css or sanitize.css and configure either with the following combinations:
@import "normalize"; /* also, @import "normalize.css" */
@import "normalize/opinionated"; /* also, @import "normalize.css/opinionated.css", @import "normalize.css/*" */
@import "sanitize"; /* also, @import "sanitize.css" */
@import "sanitize/assets"; /* also, @import "sanitize.css/assets.css" */
@import "sanitize/forms"; /* also, @import "sanitize.css/forms.css" */
@import "sanitize/reduce-motion"; /* also, @import "sanitize.css/reduce-motion.css" */
@import "sanitize/system-ui"; /* also, @import "sanitize.css/system-ui.css" */
@import "sanitize/typography"; /* also, @import "sanitize.css/typography.css" */
@import "sanitize/ui-monospace"; /* also, @import "sanitize.css/ui-monospace.css" */
@import "sanitize/*"; /* also, @import "sanitize.css/*" (sanitize + all additions) */