.chatbox-left {
        margin-top: 0px;
        margin-right: 0px;
        margin-bottom: 0px;
        padding: 0px;
        border: 0px;
        overflow: hidden;
        position: fixed;
        /*z-index: 100002;*/   
        right: 10px;
        bottom: 0px;
        display: block;
        background: transparent;
    }


    .chatbox-center {
        top: 50%;
        left: 0;
        right: 0;
        padding: 0;
        border: 0;
        margin: auto;
        margin-top: -20em;
        text-align: center;
        position: fixed;
        /*z-index: 100002;*/                
        /*display: block;*/
        background: transparent;
    }