body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 20px;
}

h1 {
    color: #333;
}

h2 {
    color: #555;
}

form {
    margin-top: 20px;
}

#flotte {
    margin-top: 30px;
}

#flotte div {
    background-color: #fff;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
}