.bouton-degrade{background:linear-gradient(90deg,#4598f9,#56efcd,#cdfeea);border:none;color:white;padding:10px 20px;font-size:16px;font-weight:bold;border-radius:5px;transition:all 0.3s ease-in-out}.bouton-degrade:hover{background:linear-gradient(90deg,#cdfeea,#56efcd,#4598f9);transform:scale(1.05)}