#loader{align-items:center;background-color:rgba(0,0,0,.5);color:#fff;display:flex;font-size:18px;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%}.spinner{animation:spin 2s linear infinite;border:4px solid #f3f3f3;border-radius:50%;border-top-color:#3498db;height:40px;width:40px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}