body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0; /* couleur de fond très claire */
    color: #333;
}

header {
    background-color: #003366; /* bleu foncé */
    color: white;
    padding: 10px;
    text-align: center;
}

header h1 {
    margin: 0;
}

header p {
    margin: 5px 0;
}

nav {
    background-color: #004d00; /* vert foncé */
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
}

nav a:hover {
    text-decoration: underline;
}

.content {
    padding: 20px;
    text-align: center;
}

.content img {
    width: 400px; /* double la taille originale */
    height: 400px; /* double la taille originale */
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    margin: 20px;
}

footer {
    background-color: #003366; /* bleu foncé */
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
}