body.homepage {
  background-image: url('../images/fond.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  background-attachment: fixed; /* facultatif */
}



a.btn {
    background-color: #ff6b6b;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
}

a.btn:hover {
    background-color: #ff5252;
}