tailwind-config.js

const postcss = require('postcss')

module.exports = {
  theme: {
    extend: {}
  },
  variants: {
	float: ['responsive', 'rtl'],
	margin: ['responsive', 'rtl'],
	padding: ['responsive', 'rtl'],
	textAlign: ['responsive', 'rtl']
  },
  plugins: [
	function ({ addVariant }) {
		addVariant('rtl', ({ modifySelectors, separator }) => {
			modifySelectors(({ className }) => {
				return `[dir="rtl"] .rtl\\${separator}${className}`
			})
		})
	}
  ]
}