.payment iframe {
  opacity: 0;
  transition: opacity 500ms ease-in-out;
}

.vega-loader {
  border: 16px solid #f3f3f3; /* Light grey */
  border-top: 16px solid #e4dec4; /* Blue */
  border-radius: 50%;
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
  margin: 0 auto;
}

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