*{margin:0;padding:0}#app{width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background-color:#000}.loader{display:grid;place-self:center;align-items:center;border:2px solid #000;border-top:2px solid #f3f3f3;border-radius:50%;width:20px;height:20px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}