body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f4f7;
    color: #333;
}

.header-container, .footer-container {
    background-color: #004d40;
    color: white;
    text-align: center;
    padding: 10px 0;
}

h1 {
    font-size: 2.5em;
    margin: 0.5em 0;
}

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

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

nav ul li a {
    text-decoration: none;
    color: white;
    font-size: 1.2em;
}

footer p {
    margin: 0;
}

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

.content img {
    width: 400px;
    height: 400px;
    margin: 20px;
}

.content p {
    text-align: justify;
    line-height: 1.6;
    margin: 20px 0;
}

@media (max-width: 768px) {
    nav ul li {
        display: block;
        margin: 10px 0;
    }

    .content img {
        width: 90%;
        height: auto;
    }
}