Adding a class

Adding a class

Hi to all,

I am trying to add a class to div element but its not responding,is something wrong in my code, plz help me,thanks in advance



<html lang="en">
<head>
<style>
div {
width: 100px;
height: 100px;
background-color: #ccc;
}
.big-blue: {
width: 200px;
height: 200px;
background-color: #00f;
transform:rotate(180deg);
}
</style>
<script src=" https://code.jquery.com/jquery-1.10.2.js"></script>
<script src=" https://code.jquery.com/ui/1.11.3/jquery-ui.js"></script>
</head>
<body>
<div></div>
<script>
$( "div" ).hover(function() {
$(this).addClass( "big-blue", 1000, "easeOutBounce" );

});
</script>
</body>
</html>