/* Animation de rotation des drapeaux */
.language {
  width: 50px;
  height: auto;
  cursor: pointer;
  /* conserver un rendu 3D pendant la rotation */
  transform-style: preserve-3d;
}

.spin {
  animation: spin 0.6s linear;
}

@keyframes spin {
  from { transform: rotateX(0deg); }
  to   { transform: rotateX(360deg); }
}