body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

h1, h2 {
    color: #333;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
    background-color: #333;
    margin: 0;
}

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

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

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

section {
    margin: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

img {
    display: block;
    margin: 0 auto 20px auto;
    max-width: 100%;
    height: auto;
}