.loader{border:4px solid #f3f3f3;border-top-color:#f3f3f3;border-top-style:solid;border-top-width:5px;animation:spin 1s linear infinite;border-top:5px solid #555;border-radius:50%;width:25px;height:25px;margin:5px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}