body {
    margin: 0 auto;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #ffffff;
    color: #333333;
    max-width: 800px;
}

header {
    padding: 60px 20px;
    text-align: center;
}

nav {
    background: #333333;
    padding: 10px 20px;
    text-align: center;
}

nav a {
    margin: 0 10px;
    color: #ffffff;
    text-decoration: none;
}

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

h1 {
    font-size: 3rem;
    font-weight: 600;
    margin: 0;
    color: #000000;
}

footer {
    padding: 40px 20px;
    background: #f2f2f2;
    color: #666666;
    text-align: center;
}

footer a {
    margin: 0 10px;
    color: #666666;
    text-decoration: none;
}

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

section {
    text-align: left;
    padding: 20px;
}