body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 20px;
    padding: 20px;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    font-family: "Noto Serif", serif;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
    font-family: "Noto Serif", serif;
}

nav {
    background-color: #444;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    margin-right: 15px;
}

section {
    margin-top: 20px;
}

h1 {
    text-align: center;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}