<div ng-class="expended? 'postbox': 'postbox closed'" name="{{name}}" id="{{name}}">
    <button type="button" class="handlediv button-link" ng-click="expended = !expended">
        <span class="toggle-indicator" aria-hidden="false"></span>
    </button>
    <span ng-transclude>
    </span>
</div>