<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/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='loader'> <div class='loader--dot'></div> <div class='loader--dot'></div> <div class='loader--dot'></div> <div class='loader--dot'></div> <div class='loader--dot'></div> <div class='loader--dot'></div> <div class='loader--text'></div> </div> </div>

.container { height: 100vh; width: 100vw; font-family: Helvetica; } .loader { height: 20px; width: 250px; position: absolute; top: 0; bottom: 0; left: 0; right: 0; margin: auto; } .loader--dot { animation-name: loader; animation-timing-function: ease-in-out; animation-duration: 3s; animation-iteration-count: infinite; height: 20px; width: 20px; border-radius: 100%; background-color: black; position: absolute; border: 2px solid white; } .loader--dot:first-child { background-color: #8cc759; animation-delay: 0.5s; } .loader--dot:nth-child(2) { background-color: #8c6daf; animation-delay: 0.4s; } .loader--dot:nth-child(3) { background-color: #ef5d74; animation-delay: 0.3s; } .loader--dot:nth-child(4) { background-color: #f9a74b; animation-delay: 0.2s; } .loader--dot:nth-child(5) { background-color: #60beeb; animation-delay: 0.1s; } .loader--dot:nth-child(6) { background-color: #fbef5a; animation-delay: 0s; } .loader--text { position: absolute; top: 200%; left: 0; right: 0; width: 4rem; margin: auto; } .loader--text:after { content: "Loading"; font-weight: bold; animation-name: loading-text; animation-duration: 3s; animation-iteration-count: infinite; } @keyframes loader { 15% { transform: translateX(0); } 45% { transform: translateX(230px); } 65% { transform: translateX(230px); } 95% { transform: translateX(0); } } @keyframes loading-text { 0% { content: "Loading"; } 25% { content: "Loading."; } 50% { content: "Loading.."; } 75% { content: "Loading..."; } }