#game {
    text-align: center;
    margin-top: 50px;
}

#balance {
    font-size: 24px;
    margin-bottom: 20px;
}

.betButton {
    margin: 5px;
    padding: 10px 20px;
}

#cards {
    margin-top: 20px;
}

.card {
    display: inline-block;
    width: 100px;
    height: 150px;
    margin: 10px;
    background-color: #ddd;
    text-align: center;
    vertical-align: top;
    line-height: 150px;
    font-size: 24px;
    cursor: pointer;
}