body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #1e90ff; /* Bleu */
    color: #fff;
    text-align: center;
    padding: 2em 0;
    font-size: 1.5em;
}

header p {
    font-size: 1em;
    margin: 0;
}

nav {
    background-color: #2e8b57; /* Vert */
    color: #fff;
    padding: 1.5em;
    text-align: center;
    font-size: 1.2em;
}

nav a {
    color: #fff;
    margin: 0 1.5em;
    text-decoration: none;
    padding: 0.5em 1em;
    display: inline-block;
}

nav a:hover {
    background-color: #1e90ff;
    border-radius: 5px;
}

main {
    padding: 3em;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main .content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
}

main .content img {
    margin-left: 2em;
    border: 2px solid #2e8b57;
    border-radius: 10px;
}

footer {
    background-color: #2e8b57;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: relative;
    bottom: 0;
    width: 100%;
}