body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

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

h1 {
    margin: 0;
}

input[type="text"], select {
    padding: 10px;
    margin: 10px 0;
    width: 100%;
    max-width: 400px;
    display: block;
    margin: 0 auto;
}

#gameList ul {
    list-style-type: none;
    padding: 0;
}

#gameList li {
    margin: 10px 0;
}

#gameList a {
    text-decoration: none;
    color: #333;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: white;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    margin-top: 20px;
}

button:hover {
    background-color: #218838;
}

.game-container {
    text-align: center;
    margin: 20px;
}

iframe {
    border: 2px solid #ddd;
}