Rocket.Chat/postcss.config.js

module.exports = {
	plugins: {
		'autoprefixer': {},
		'postcss-css-variables': {
			preserve: true,
		},
		'postcss-selector-not': {},
		'postcss-flexbugs-fixes': {},
		'postcss-logical': {},
		'postcss-dir-pseudo-class': {},
		'cssnano': {},
	},
};