var app = angular.module('plunker', ['ui.bootstrap']);
app.controller('MainCtrl', function($scope) {
var ctrl = this;
ctrl.active = 0;
});
<!DOCTYPE html>
<html ng-app="plunker">
<head>
<meta charset="utf-8" />
<title>AngularJS Plunker</title>
<link data-require="bootstrap-css@3.*" data-semver="3.3.6" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.css" />
<script>document.write('<base href="' + document.location + '" />');</script>
<link rel="stylesheet" href="style.css" />
<script data-require="angular.js@1.5.x" src="https://code.angularjs.org/1.5.8/angular.js" data-semver="1.5.8"></script>
<script data-require="angular-animate@1.5.*" data-semver="1.5.8" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular-animate.js"></script>
<script data-require="angular-touch@1.5.*" data-semver="1.5.8" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular-touch.js"></script>
<script data-require="ui-bootstrap@*" data-semver="2.1.3" src="https://cdn.rawgit.com/angular-ui/bootstrap/gh-pages/ui-bootstrap-tpls-2.1.3.js"></script>
<script src="app.js"></script>
</head>
<body ng-controller="MainCtrl as ctrl">
<button type="button" class="btn btn-default btn-sm" ng-click="ctrl.active = 0">Select first tab - exterior button</button>
<div class="tabs-container">
<uib-tabset active="ctrl.active" index="$index">
<uib-tab heading="tab one">
tab one
</uib-tab>
<uib-tab heading="tab two">
tab two
<button type="button" class="btn btn-default btn-sm" ng-click="ctrl.active = 0">
Select first tab - internal button
</button>
</uib-tab>
<uib-tab heading="tab three">
tab three
</uib-tab>
</uib-tabset>
</div>
</body>
</html>
/* Put your css in here */