.formulaire-flottant{position:fixed;bottom:20px;right:20px;width:500px;background-color:#ffffff;box-shadow:0 0 10px rgba(0,0,0,0.3);z-index:9999;padding:20px;border-radius:8px}@media (max-width:768px){.formulaire-flottant{width:90%;right:5%;bottom:10px;padding:15px}}