.spinner{width:48px;height:48px;border-radius:50%;border-color:#007bff #007bff rgba(255,255,255,.3) rgba(255,255,255,.3);border-style:solid;border-width:4px;animation:spin .9s cubic-bezier(.65,.05,.36,1) infinite;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 15px rgba(0,123,255,.5);filter:drop-shadow(0 0 5px rgba(0,123,255,.3))}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}