The following code shows how to mark mini button.
<!-- www .j a va 2s.co m-->
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.9.1.js'></script>
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-wip/js/bootstrap.min.js"></script>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-wip/css/bootstrap.min.css">
</head>
<body style='margin:30px'>
<div class="btn-group">
<a class="btn btn-mini btn-info"
href="">View</a>
<form class="btn-group">
<button type="submit" class="btn btn-mini btn-danger">Delete</button>
</form>
</div>
</body>
</html>