#loading {
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(255, 255, 255, 0.8);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  border: 5px solid #f3f3f3;
  border-top: 5px solid #1c1c1c;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}