body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    margin: 0;
    padding: 0;
    color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

h1 {
    margin: 0;
}

main {
    padding: 20px;
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #333;
    color: #fff;
}

#multiplayer, #difficulty {
    margin-top: 20px;
    padding: 10px;
    border: 1px solid #999;
    background: #222;
}

button {
    margin: 5px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #444;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #555;
}

/* Additional dark fantasy styling */
header {
    background: url('path/to/your/header_background.jpg') no-repeat center center;
    background-size: cover;
}