body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

h1, h2 {
    color: #333;
}

main {
    padding: 20px;
    margin: 0 auto;
    max-width: 800px;
}

article p {
    margin-bottom: 1em;
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    background-color: #333;
    color: #fff;
}