body #chat_window {bottom: 70px;right: 15px;}
    body #chat_window .chat_box .menu .top {background-position: 0px -52px;width: 52px;height: 52px;background-size: 52px auto;}
    @media screen and (max-width: 1000px) {
        body #chat_window .chat_box .menu .top {display: none !important;}
    }