kibana-123/src/ui/public/styles/bootstrap/mixins/center-block.less

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

// Center-align a block level element

.center-block() {
  display: block;
  margin-left: auto;
  margin-right: auto;
}