Ошибка при import css.style 'webpack', не смог исправить, что не так в конфиге?

Помогите пожалуйста, разобраться уже четвертый час не могу решить проблему.
Файл css импортирую в модуль /src/app.js получаю ошибку при сборке
Версия webpack 1
Структура:
src/
js/
app.js
assets/
css/
main.css
webpack.config.js:
https://codepen.io/PolyakhAlex/pen/yzyQLv

package.json
https://codepen.io/PolyakhAlex/pen/WZbYeO

Ошибка:
ERROR in ./assets/css/main.css
Module not found: Error: Cannot resolve 'file' or 'directory' ../../../node_modules/css-loader/index.js in C:\Users\Polyakh\Desktop\Webpack/src\assets\css
@ ./assets/css/main.css 4:14-155
Ошибка болие подробная 'webpack --display-error-details':
ERROR in ./assets/css/main.css
Module not found: Error: Cannot resolve 'file' or 'directory' ../../../node_modules/css-loader/index.js in C:\Users\Polyakh\Desktop\Webpack/src\assets\css
resolve file
C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js doesn't exist
C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js.js doesn't exist
resolve directory
C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js doesn't exist (directory default file)
C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js\package.json doesn't exist (directory description file)
[C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js]
[C:\Users\Polyakh\Desktop\node_modules\css-loader\index.js.js]
@ ./assets/css/main.css 4:14-155

ERROR in ./assets/css/main.css
Module not found: Error: Cannot resolve 'file' or 'directory' ../../../node_modules/style-loader/lib/addStyles.js in C:\Users\Polyakh\Desktop\Webpack/src\assets\c
ss
resolve file
C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js doesn't exist
C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js.js doesn't exist
resolve directory
C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js doesn't exist (directory default file)
C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js\package.json doesn't exist (directory description file)
[C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js]
[C:\Users\Polyakh\Desktop\node_modules\style-loader\lib\addStyles.js.js]
@ ./assets/css/main.css 12:13-76