body {
    font-family: Arial, sans-serif;
    color: white;
    background-color: #28a745;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
}

header p {
    font-size: 1.2em;
}

nav {
    background-color: #155724;
    padding: 15px;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-size: 1.2em;
}

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

.content {
    margin: 20px;
}

img {
    width: 100%;
    max-width: 300px;
    margin: 10px;
}

footer {
    margin-top: 30px;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    img {
        max-width: 100%;
    }
}