<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="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <div class="preloader"> <div class="spiner"> </div> </div> </div> </div>

.preloader { width: 100%; height: 100%; top: 0; bottom: 0; left: 0; right: 0; overflow: hidden; position: fixed; background-color: #fff; z-index: 999; } @-webkit-keyframes spiner-animation { from { -webkit-transform: rotate(0deg); transform: rotate(0deg); } to { -webkit-transform: rotate(360deg); transform: rotate(360deg); } } @keyframes spiner-animation { from { -webkit-transform: rotate(0deg); transform: rotate(0deg); } to { -webkit-transform: rotate(360deg); transform: rotate(360deg); } } .spiner { width: 68px; height: 68px; border: 2px solid #f1710c; margin: -34px 0 0 -34px; position: absolute; top: 50%; left: 50%; -webkit-box-sizing: border-box; box-sizing: border-box; -webkit-animation: spiner-animation 2.6s linear infinite; animation: spiner-animation 2.6s linear infinite; } .spiner:before, .spiner:after { content: ""; position: absolute; top: 50%; left: 50%; border: 2px solid #363636; -webkit-box-sizing: border-box; box-sizing: border-box; -webkit-animation: spiner-animation 1.3s linear infinite; animation: spiner-animation 1.3s linear infinite; -webkit-animation-direction: reverse; animation-direction: reverse; } .spiner:before { width: 48px; height: 48px; margin: -24px 0 0 -24px; } .spiner:after { width: 96px; height: 96px; margin: -48px 0 0 -48px; }