Components
https://react-bootstrap.github.io/components.html
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Install
https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md#adding-bootstrap

Compatibility with react-router
https://github.com/react-bootstrap/react-router-bootstrap
https://github.com/react-bootstrap/react-router-bootstrap/issues/197

Adding Bootstrap

You don’t have to use React Bootstrap together with React but it is a popular library for integrating Bootstrap with React apps. If you need it, you can integrate it with Create React App by following these steps:
Install React Bootstrap and Bootstrap from npm. React Bootstrap does not include Bootstrap CSS so this needs to be installed as well:
npm install --save react-bootstrap bootstrap@3
Alternatively you may use yarn:
yarn add react-bootstrap bootstrap@3
Import Bootstrap CSS and optionally Bootstrap theme CSS in the beginning of your src/index.js file:
import 'bootstrap/dist/css/bootstrap.css';
import 'bootstrap/dist/css/bootstrap-theme.css';
// Put any other imports below so that CSS from your
// components takes precedence over default styles.
Import required React Bootstrap components within src/App.js file or your custom component files:
import { Navbar, Jumbotron, Button } from 'react-bootstrap';
Now you are ready to use the imported React Bootstrap components within your component hierarchy defined in the render method. Here is an example App.js redone using React Bootstrap.
Using a Custom Theme

Sometimes you might need to tweak the visual styles of Bootstrap (or equivalent package).

We suggest the following approach:
* Create a new package that depends on the package you wish to customize, e.g. Bootstrap.
* Add the necessary build steps to tweak the theme, and publish your package on npm.
* Install your own theme npm package as a dependency of your app.
Here is an example of adding a customized Bootstrap that follows these steps.