app-nav-tab.html

<ul class="nav nav-tabs marginBottom removeBackgroud" id="myTab">
    <li ng-repeat="tab in tabs" ng-class="{'active':tab.active,' firstTab':$index==0}" disabled="tab.disabled">
        <a href="javascript:void(0)" class="removeBackgroud" ng-click="selectTab(tab)">
            {{tab.tabName}}
        </a>
        <button class="close closeTab close-tab-button" type="button" ng-show="$index!=0" ng-click="closeTab($index, tab)">×</button>
    </li>
</ul>