Syntax Error after importing CSS

[mayyyc]

Hi Maxime,
I am trying to use bootstrap (using this tutorial https://reactstrap.github.io/) on the top of this project but got error with css file.
I imported bootstrap.css in App.js
import 'bootstrap/dist/css/bootstrap.css';

and included css-loader and style-loader in webpack config file

But the program still cannot understand the css file.

Do you know where I did wrong?
Thanks in advance.
The complete code is here: https://github.com/MMMayC/my_portfolio_universal_js