body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #004080;
    color: white;
    text-align: center;
    padding: 20px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

main {
    max-width: 900px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.produit {
    margin-bottom: 30px;
}

.produit img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px auto;
    border-radius: 8px;
}

footer {
    background-color: #004080;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 20px;
}