body {
    font-family: Arial, sans-serif;
    background-color: #545a5d;
    color: white;
    margin: 0;
    padding: 0;
}

header {
    background-color: #145f7f;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2em;
    font-weight: bold;
    text-transform: uppercase;
}

nav {
    margin: 20px 0;
}

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

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    text-decoration: none;
    font-weight: bold;
    color: #63cd4a;
    background-color: #145f7f;
    padding: 10px 20px;
    border-radius: 5px;
}

nav ul li a:hover {
    background-color: #63cd4a;
    color: #145f7f;
}

.banner {
    background-color: #c40e2f;
    padding: 10px;
    text-align: center;
}

.banner a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: 5px;
}

.banner a:hover {
    background-color: white;
    color: #c40e2f;
}

main {
    padding: 20px;
    text-align: center;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.photo img {
    width: 100%;
    max-width: 600px;
    height: auto;
}

.texte {
    background-color: #145f7f;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
}

.colonne {
    background-color: #145f7f;
    padding: 20px;
    margin: 10px;
    border: 2px solid black;
    width: calc(100% - 40px);
}

footer {
    background-color: #145f7f;
    text-align: center;
    padding: 20px;
    position: fixed;
    width: 100%;
    bottom: 0;
}

footer p {
    margin: 0;
}