.bouton-rond {
    font-family:Isobare-Regular;;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
 background-image: radial-gradient(circle, #f6a8ff 0%, #f6a8ff00 100%);
  border: none;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  z-index: 777;
}

@media screen {
  
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
   background-color: red;
  color: white;
  text-align: center;
  padding: 10px;
  transform: translateY(100%); /* Cache le footer au départ */
  transition: transform 0.3s ease;
}

footer.visible {
  transform: translateY(0); /* Affiche le footer */
}