.loading-animation{width:100px;height:100px;border-radius:50%;border:4px solid transparent;border-top-color:#3498db;animation:spin 1s linear infinite;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}#app{background-image:linear-gradient(90deg,#2c3e50,#3498db);height:99vh;display:flex;align-items:center;justify-content:center}