<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> </div> <div class="test"> test </div> </div>

.test { animation: MoveUpDown 5s linear infinite; position: absolute; left: 0; bottom: 0; } @keyframes MoveUpDown { 0% { bottom: 0; } 50% { bottom: 100px; } 100% { bottom: 0; } }