body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    margin-bottom: 150px; /* Hauteur du pied de page */
}

header {
    background-color: #3498db;
    color: white;
    text-align: center;
    padding: 1em;
}

section {
    margin: 40px;
}

footer {
    background-color: #34495e;
    color: white;
    text-align: center;
    padding: 1em;
    position: fixed;
    bottom: 0;
    width: 100%;
}