<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/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 class="blink">Colorful Blink Text</h2> </div> </div>

.blink{ color:red; font-size:30px; animation:blink_animation .5s infinite; } @keyframes blink_animation { 25% {color:blue;} 50% {color:red;} 100% {color:green} }