#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 3px solid #fff;
  border-top-color: #52c3be; 
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}