body {
    background: #0b3d2e;
    color: white;
    font-family: Arial, sans-serif;
    text-align: center;
    padding-top: 40px;
}

input, button {
    padding: 10px;
    margin: 5px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
}

button {
    cursor: pointer;
    background: #1abc9c;
    color: white;
}

button:hover {
    background: #16a085;
}

.game {
    display: none;
    margin-top: 30px;
}

.cards {
    margin: 10px;
    font-size: 20px;
}

.result {
    font-size: 22px;
    margin-top: 15px;
    font-weight: bold;
}