src/alert/alert.tpl.html
<div role="alert" class="alert" ng-class="[type ? 'alert-' + type : null]">
<button type="button" class="close" ng-if="dismissable" ng-click="$hide()">×</button>
<span ng-if="title">
<strong ng-bind="title"></strong> <span ng-bind-html="content"></span>
</span>
<span ng-if="!title" ng-bind-html="content"></span>
</div>