kibana-123/src/ui/public/angular-bootstrap/tabs/tab.html

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

<li ng-class="{active: active, disabled: disabled}">
  <a href ng-click="select()" tab-heading-transclude>{{heading}}</a>
</li>