body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}
header, footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}
main {
    padding: 20px;
}
.games .game-list button {
    margin: 5px;
    padding: 10px 15px;
    font-size: 16px;
}
.form-section form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qris-img {
    width: 200px;
    display: block;
    margin: 20px auto;
}