title: How to customise Bootstrap 4 SCSS variables using angular-cli & ng-bootstrap?
body: <p>I'm using angular-cli to build an Angular 4 app. I would like to use ng-bootstrap to include Bootstrap 4. However I would also like to customise Bootstrap's scss variables in my build as described at <a href="http://v4-alpha.getbootstrap.com/getting-started/options/" rel="noreferrer">http://v4-alpha.getbootstrap.com/getting-started/options/</a>.</p>
  
  <p>How can I do this?</p>