#RouletteMain {
    width: 600px;
    margin: 0 auto;
    background-color: #ffffff;
    border: 4px solid #000000;
}

#Roulette_Result {
    width: 600px;
    text-align: center;
    background-color: #aaaaaa;
    font-size: 3em;
    color: #000000;
    transition: background-color 1s ease;
}

#roulette_spin {
    display: block;
    margin: 10px auto;
    font-size: 3em;
    font-weight: bold;
    padding: 10px 20px;
    background-color: #66dd66;
    color: #000000;
    border: none;
    cursor: pointer;
}

#roulette_spin:hover {
    background-color: #33aa33;
}