body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    font-family: sans-serif;
}

.lotto-machine {
    text-align: center;
    background-color: #fff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.display {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
}

.ball {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

#draw-button {
    padding: 0.8rem 1.5rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 0.5rem;
    background-color: #4CAF50;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s;
}

#draw-button:hover {
    background-color: #45a049;
}