/* Display a loading spinner on the page while javascript executes in the background. */
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

body::before {
  content: '';
  width: 48px;
  height: 48px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: #333;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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