angular-ui-bootstrap/template/alert/alert.html

Native AngularJS (Angular) directives for Bootstrap

<button ng-show="closeable" type="button" class="close" ng-click="close({$event: $event})">
  <span aria-hidden="true">&times;</span>
  <span class="sr-only">Close</span>
</button>
<div ng-transclude></div>