body {
  overflow-y: scroll;
  margin: 0;
  width: 100%;
  height: 100vh;
  position: fixed;
}

.loading-spinner {
  position: fixed;
  top: 50%;
  left: calc(50% - 20px);
  transform: translate(-50%, -50%);
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top: 4px solid #ffffff;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  z-index: 1000;
}

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