.loader{display:none;border:4px solid #f3f3f3;border-radius:50%;border-top:4px solid #3498db;width:16px;height:16px;-webkit-animation:spin 1.5s linear infinite;animation:spin 1.5s linear infinite}.loader.active{display:block}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg)}}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}#import-submit{min-width:75px;text-align:center}#import-submit .loader{margin:auto}