body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    line-height: 1.6;
    color: #333;
}

header {
    margin-bottom: 2rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 1rem;
}

h1 {
    color: #2c3e50;
    font-size: 2.5rem;
}

h2 {
    color: #34495e;
    margin-top: 2rem;
}

section {
    margin: 2rem 0;
}

ul {
    padding-left: 2rem;
}

li {
    margin: 0.5rem 0;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.last-updated {
    color: #7f8c8d;
    font-style: italic;
}

@media (max-width: 600px) {
    body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
}