.loading{height:100%;width:100%;background:lightgray;top:0;position:absolute;opacity:.5;justify-content:center;align-items:center}.preloader{border:16px solid #f3f3f3;border-radius:50%;border-top:16px solid #3498db;width:60px;height:60px;-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg)}}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}