For webpack version> = 2.0
Update webpack.config.js
module.exports = { entry: "./entry.js", output: { path: __dirname, filename: "bundle.js" }, module: { loaders: [ { test: /\.css$/, loader: "style-loader!css-loader" } ] } };
Use {test: /. Css $ /, loader: "style-loader! Css-loader"} instead of {test: /. Css $ /, loader: "style! Css!" }
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