body {
    text-align: center;
    background-color: #ffffff;
    font-family: Arial, sans-serif;
    margin: 0;
    overflow: hidden;
}

#controls {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    z-index: 1;
}

#controls button {
    margin: 5px;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #000000;
    color: #ffffff;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

#controls button:hover {
    background-color: #333333;
}