I install all the dependences:

```
    "devDependencies": {
      "css-loader": "^0.26.4",
      "sass-loader": "^6.0.3",
      "style-loader": "^0.13.2
    }

```

The bundle detect my import correctly:

```
import styles from './styles.scss';

```

and I configure my webpack config:

```
module : {
    loaders : [
        {
            test: /\.(sass|scss)$/,
            use: ['style-loader', 'css-loader', 'sass-loader']
        },
        {
            test : /\.jsx?/,
            include : APP_DIR,
            loader : 'babel-loader'
        }
    ]
}

```

But in the final render doesn't appear the classes.
Some idea? Thank you!!!