<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<button onclick="setColor(event)" type="button" style="width: 50px; height: 50px; margin: 10px; padding: 10px 16px; font-size: 18px; line-height: 1.33; border-radius: 25px; box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.4);" class="btn btn-circle btn-lg"><i class="fa fa-desktop" style="margin: 0 0px;"></i></button>
<button onclick="setColor(event)" type="button" style="width: 50px; height: 50px; margin: 10px; padding: 10px 16px; font-size: 18px; line-height: 1.33; border-radius: 25px; box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.4);" class="btn btn-circle btn-lg"><i class="glyphicon glyphicon-phone" style="margin: 0 0px;"></i></button>
</div>
<script>
function setColor(e) {
var currentTarget = e.currentTarget,
status = e.currentTarget.classList.contains('btn-success');
e.currentTarget.classList.add(status ? 'btn-default' : 'btn-success');
e.currentTarget.classList.remove(status ? 'btn-success' : 'btn-default');
}
</script>
</body>
</html>
// Add your javascript here
/* Put your css in here */