#loading-spinner{border:4px solid rgba(0,0,0,.1);border-left-color:#1976d2;border-radius:50%;width:35px;height:35px;animation:spin 1s linear infinite;position:fixed;top:50%;left:50%;z-index:10000}@keyframes spin{to{transform:rotate(360deg)}}body{margin:0;padding:0;background-color:#fff;display:flex;justify-content:center;align-items:center;height:100vh}@media (max-width: 480px){#loading-spinner{width:35px;height:35px;border-width:4px}}