xrpl-dev-portal/styles/package.json

{
  "devDependencies": {
    "bootstrap": "^4.5.0",
    "node-sass": "^4.14.1"
  },
  "scripts": {
    "build-css": "node-sass --include-path scss xrpl.scss ../assets/css/devportal.css --output-style compressed"
  }
}