<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<h1>You can go hover those buttons</h1>
<a href="#" class="btn btn-lg btn-hover btn-default">Large</a>
<a href="#" class="btn btn-md btn-hover btn-default">Medium</a>
<a href="#" class="btn btn-sm btn-hover btn-default">Small</a>
<a href="#" class="btn btn-xs btn-hover btn-default">Xsmall</a>
<hr>
<h1>Oh, it also work with bootstrap colors</h1>
<a href="#" class="btn btn-md btn-hover btn-default">Default</a>
<a href="#" class="btn btn-md btn-hover btn-primary">Primary</a>
<a href="#" class="btn btn-md btn-hover btn-info">Info</a>
<a href="#" class="btn btn-md btn-hover btn-warning">Warning</a>
<a href="#" class="btn btn-md btn-hover btn-danger">Danger</a>
<a href="#" class="btn btn-md btn-hover btn-success">Success</a>
<hr>
<h1>Eventually, it's nice with icons</h1>
<a href="#" class="btn btn-sm btn-hover btn-primary"><span class="glyphicon glyphicon-thumbs-up"></span></a>
<a href="#" class="btn btn-sm btn-hover btn-danger"><span class="glyphicon glyphicon-thumbs-down"></span></a>
<a href="#" class="btn btn-sm btn-hover btn-success"><span class="glyphicon glyphicon-check"></span></a>
<a href="#" class="btn btn-xs btn-hover btn-default">Print <span class="glyphicon glyphicon-print"></span></a>
<hr>
</div>
</div>
<div style="background:#333">
<div class="container">
<div class="row">
<h1 style="color:#fff">And it works with dark backgrounds : use -alt to display it white</h1>
<a href="#" class="btn btn-lg btn-hover-alt btn-primary">Hey baby</a>
<a href="#" class="btn btn-sm btn-hover-alt btn-success"><span class="glyphicon glyphicon-thumbs-up"></span></a>
<a href="#" class="btn btn-xs btn-hover-alt btn-default">Print <span class="glyphicon glyphicon-print"></span></a>