Start the development server with this command:
npm start
sudo apt-get install ruby-dev
sudo gem install compass
sudo npm install
npm run compile.dev.chrome
npm run compile.prod.chrome
npm run compile.dev.firefox
npm run compile.prod.firefox
brew install rbenv ruby-build
sudo gem install compass
sudo npm install
npm install @popperjs/core
npm run compile.dev.chrome
npm run compile.prod.chrome
npm run compile.dev.firefox
npm run compile.prod.firefox