Autoprefixer [![Cult Of Martians][cult-img]][cult]

Contents

Browsers

FAQ

Does Autoprefixer polyfill Grid Layout for IE?

Does it add polyfills?

Why doesn’t Autoprefixer add prefixes to `border-radius`?

Why does Autoprefixer use unprefixed properties in `@-webkit-keyframes`?

How to work with legacy `-webkit-` only code?

Does Autoprefixer add `-epub-` prefix?

Why doesn’t Autoprefixer transform generic font-family `system-ui`?

Usage

Gulp

Webpack

CSS-in-JS

CLI

Other Build Tools

Preprocessors

GUI Tools

JavaScript

Text Editors and IDE

Warnings

Disabling

Prefixes

Features

Control Comments

Options

Environment Variables

Grid Autoplacement support in IE

Beware of enabling autoplacement in old projects

Autoplacement limitations

Both columns and rows must be defined

Repeat auto-fit and auto-fill are not supported

No manual cell placement or column/row spans allowed inside an autoplacement grid

Do not create `::before` and `::after` pseudo elements

When changing the `grid gap` value, columns and rows must be re-declared

Debug

Security Contact