<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/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"> <div class="pulse-btn" > <a href="#" class="btn btn-primary" >Pulse Effect Button</a> </div> </div> </div>

.pulse-btn { text-align: center; padding: 30px 0; } .pulse-btn .btn { font-size: 22px; text-transform: uppercase; letter-spacing: 1px; padding: 0.5em 1.5em; animation: pulse 1.5s cubic-bezier(0.66, 0.67, 0.83, 0.99) infinite; } @media (max-width: 767px) { .pulse-btn .btn { font-size: 16px; letter-spacing: normal; padding: 10px 15px; } } @keyframes pulse { 0% { outline: 1px solid #428bca; outline-offset: 0px; } 30% { outline: 1px solid rgba(48, 113, 169, 0.7); outline-offset: 10px; } 60% { outline: 1px solid rgba(48, 113, 169, 0); outline-offset: 20px; } 100% { outline: 1px solid rgba(48, 113, 169, 0); outline-offset: 60px; } }