// webpack config file

// loaders
const postcssLoader = {
  loader: 'postcss-loader',
  options: {
    config: {
      path: path.join(__dirname, 'postcss.config.js')
    }
  }
};
const cssModulesLoader = ExtractTextPlugin.extract({
  fallback: 'style-loader',
  use: [
    {
      loader: 'css-loader',
      options: {
        modules: true,
        sourceMaps: true,
        importLoaders: 1,
        localIdentName: '[name]__[local]___[hash:base64:5]'
      }
    },
    postcssLoader
  ],
});

const webpackConfig = {
  module: {
    rules: [
      {
        test: /\.css$/,
        include: /rc-range-slider|rc-tipso/,
        loaders: cssModulesLoader
      }
    ]
  }
};

const webpackConfig = {
  module: {
    loaders: [
      {
        test: /\.css$/,
        include: /rc-range-slider|rc-tipso/,
        loaders: cssLoaders
      }
    ]
  },
  postcss: () => {
    return [
      require('postcss-cssnext')
    ]
  }
};

import Slider from 'rc-range-slider';

// ...

render() {
  return (
    <Slider value={[15, 35]} minRange={5}/>
  )
}