pagedesigner_theme-8.x-1.x-dev/pagedesigner_theme.libraries.yml

bootstrap_cdn:
  js:
    //cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js: {}
    //stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js: {}
  css:
    layout:
      //stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css: {weight: 0}