<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="col-md-12"> <div class="loader"> <p>Loading...</p> <div class="loader-inner"></div> <div class="loader-inner"></div> <div class="loader-inner"></div> </div> </div> </div> </div>

.loader{ width: 70px; height: 70px; margin: 40px auto; } .loader p{ font-size: 16px; color: #777; } .loader .loader-inner{ display: inline-block; width: 15px; border-radius: 15px; background: #74d2ba; } .loader .loader-inner:nth-last-child(1){ -webkit-animation: loading 1.5s 1s infinite; animation: loading 1.5s 1s infinite; } .loader .loader-inner:nth-last-child(2){ -webkit-animation: loading 1.5s .5s infinite; animation: loading 1.5s .5s infinite; } .loader .loader-inner:nth-last-child(3){ -webkit-animation: loading 1.5s 0s infinite; animation: loading 1.5s 0s infinite; } @-webkit-keyframes loading{ 0%{ height: 15px; } 50%{ height: 35px; } 100%{ height: 15px; } } @keyframes loading{ 0%{ height: 15px; } 50%{ height: 35px; } 100%{ height: 15px; } }