#youtube-help-button {
    position: fixed;
    bottom: 20px;
    left: 20px;
    cursor: pointer;
    z-index: 9999;
}

    #youtube-help-button img {
        width: 40px;
        height: 40px;
    }

#youtube-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 10000;
}

#youtube-overlay-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #000;
    padding: 10px;
    border-radius: 8px;
}

#youtube-overlay-close {
    position: absolute;
    top: -30px;
    right: -10px;
    font-size: 40px;
    color: white;
    cursor: pointer;
}