body {
    font-family: "Inter", "Open Sans", Verdana, Arial, sans-serif;
    max-width: 800px;
    margin: auto;
    padding: 20px;
    font-size: 16px;
    line-height: 1.6;
    background: #ffffff;
    color: #333;
}

header {
    border-bottom: 1px solid #ccc;
    margin-bottom: 20px;
}

nav a {
    margin-right: 15px;
    text-decoration: none;
    color: #0066cc;
}

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

footer {
    margin-top: 40px;
    font-size: 0.9em;
    color: #777;
}