diff --git a/config/.neutrinorc.js b/config/.neutrinorc.js
index e7407f3..1760bba 100644
--- a/config/.neutrinorc.js
+++ b/config/.neutrinorc.js
@@ -1,7 +1,6 @@
 const {basename, dirname, extname, join} = require('path');
 
 const airbnb = require('@neutrinojs/airbnb');
-const banner = require('@neutrinojs/banner');
 const glob = require('glob');
 const mocha = require('@neutrinojs/mocha');
 const react = require('@neutrinojs/react');
@@ -17,10 +16,7 @@ module.exports = {
       },
     }),
     (neutrino) => {
-      const {
-        files = [],
-        name,
-      } = neutrino.options.packageJson;
+      const {files = [], name} = neutrino.options.packageJson;
       files
         .filter((file) => {
           const {source} = neutrino.options;
@@ -49,9 +45,37 @@ module.exports = {
         const testEntry = neutrino.config.entry('test').clear();
         testPaths.forEach((path) => testEntry.add(path));
       }
+      const cssPaths = glob.sync('./src/**/*.{css,scss}');
+      if (cssPaths.length > 0) {
+        const cssEntry = neutrino.config.entry('index.css').clear();
+        cssPaths.forEach((path) => cssEntry.add(path));
+      }
       neutrino.options.output = '.';
       react({
         clean: false,
+        hot: false,
+        style: {
+          extract: {
+            enabled: false,
+          },
+          test: /\.(css|sass|scss)$/,
+          modulesTest: /\.module\.(css|sass|scss)$/,
+          loaders: [
+            {
+              loader: 'postcss-loader',
+              useId: 'postcss',
+              options: {
+                config: {
+                  path: process.cwd(),
+                },
+              },
+            },
+            {
+              loader: 'sass-loader',
+              useId: 'sass',
+            },
+          ],
+        },
       })(neutrino);
       Object.keys(neutrino.options.mains).forEach((main) => {
         neutrino.config.plugins.delete(`html-${main}`);
@@ -71,17 +95,13 @@ module.exports = {
         .end()
         .node
           .set('__dirname', false)
-          .set('__filename', false)
-          .set('process', false);
+          .set('__filename', false);
       const options = neutrino.config.module
         .rule('compile')
         .use('babel')
         .get('options');
       options.presets[0][1].targets = {esmodules: true};
-      neutrino.config.externals(nodeExternals({
-        allowlist: ['uuid'],
-        importType: 'umd',
-      }));
+      neutrino.config.externals(nodeExternals({importType: 'umd'}));
     },
     mocha(),
   ],