.loader{width:50px;height:50px;border:8px solid #f3f3f3;border-radius:50%;border-top:8px solid dodgerblue;animation:spin 1s linear infinite;top:50%;left:50%;margin:0 auto 0 -25px;position:fixed}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}