body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: monospace;
    padding: 20px;
}

nav {
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

h2 {
    color: #00ffcc;
}

ul {
    list-style: none;
    padding: 0;
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.2rem;
    }
}