.loader{position:relative;border:16px solid #f3f3f3;border-radius:50%;border-top:16px solid #3498db;width:70px;height:70px;left:50%;top:50%;-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}#overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;opacity:.5;z-index:99999999}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg)}to{-webkit-transform:rotate(1turn)}}@keyframes spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}