<!DOCTYPE html>
<html>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<style>
.sky {
color:white;
background-color:lightblue;
padding:20px;
font-family:"Courier New";
}
.tomato {
background-color:coral;
padding:40px;
font-family:Verdana;
}
</style>
<body ng-app="">
<p>Choose a class:</p>
<select ng-model="home">
<option value="sky">Sky</option>
<option value="tomato">Tomato</option>
</select>
<div ng-class="home">
<h1>Welcome Home!</h1>
<p>I like it!</p>
</div>
</body>
</html>