Angular 4- Adding Custom Bootstrap CSS

Question

Hi,

 

I am trying to add custom bootstrap css in my Angular 4 project.

 

But it is giving me error: 

 

./src/app/Upload/upload.component.css Module not found: Error: Can't resolve '../Styles/CSS/fileinput.css' in 'd:\Project\RND\Web\KMS1\src\app\Upload' @ ./src/app/Upload/upload.component.css 3:10-157 @ ./src/app/Upload/upload.component.ts @ ./src/app/app.module.ts @ ./src/main.ts @ multi webpack-dev-server/client?http://0.0.0.0:0 ./src/main.ts