Bootstrap 3 Loading Button with progress icon

This is a simple Twitter Bootstrap 3 Loading Button with progress icon

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="container">
     <h3>Animated button</h3>
	<button class="btn btn-lg btn-warning"><span class="glyphicon glyphicon-refresh glyphicon-refresh-animate"></span> Loading...</button>
</div>

CSS

.glyphicon-refresh-animate {
    -animation: spin .9s infinite linear;
    -webkit-animation: spin2 .9s infinite linear;
}

@-webkit-keyframes spin2 {
    from { -webkit-transform: rotate(0deg);}
    to { -webkit-transform: rotate(360deg);}
}

@keyframes spin {
    from { transform: scale(1) rotate(0deg);}
    to { transform: scale(1) rotate(360deg);}
}

JavaScript

/* Latest compiled and minified JavaScript included as External Resource */