<!DOCTYPE html>
<html>
<style>
div {
transition: all linear 0.5s;
background-color: lightblue;
height: 100px;
}
.ng-hide {
height: 0;
}
</style>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-animate.js"></script>
<body ng-app="myApp">
<h1>Hide the DIV: <input type="checkbox" ng-model="myCheck"></h1>
<div ng-hide="myCheck"></div>
<script>
var app = angular.module('myApp', ['ngAnimate']);
</script>
</body>
</html>