kibana-123/ui_framework/doc_site/postcss.config.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

module.exports = {
  plugins: [
    require('autoprefixer')({ browsers: ['last 2 versions'] })
  ]
};