.loader{display:flex;justify-content:center;align-items:center;width:60px;height:60px}.roller{display:inline-block;width:40px;height:40px;border-radius:50%;border:4px solid rgba(0,0,0,.1);border-top-color:#000;animation:roll 1s ease-in-out infinite}@keyframes roll{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}