#chat-bubble {
    position: fixed;
    bottom: 100px;
    right: 10px;
    z-index: 9999;
}

#chat-bubble-toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #000;
    color: #fff;
    font-size: 24px;
    border: none;
    cursor: pointer;
    border: 1px solid #fff;
}

#chat-bubble-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 360px;
    height: 480px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,.2);
    overflow: hidden;
    display: none;
}

#chat-bubble-window.open {
    display: block;
}

#chat-bubble-window iframe {
    width: 100%;
    height: 100%;
    border: 0;
}