.btn-reserver {
  display: inline-block;
  background-color: #6d41a1; /* violet */
  color: #ffffff;
  padding: 10px 24px;
  text-transform: uppercase;
  font-weight: bold;
  border: none;
  border-radius: 0;
  text-decoration: none;
  font-family: Arial, sans-serif;
  transition: background-color 0.3s ease;
}

.btn-reserver:hover {
  background-color: #febb5a; /* jaune au survol */
}