.im-phone-call-top-level{width: 550px!important;}

#im-phone-call-view{
    left: 0!important;
    bottom: 0!important;
    top: auto!important;
    /*display: none;*/
    /*display: none!important;*/
}

body > div.im-phone-call-panel-mini > div.im-phone-call-panel-mini-expand{
    width: 70px!important;
}


.im-phone-call-panel-mini-expand::before{
    width: 30px!important;
    height: 30px!important;
    border: 4px solid #fff;
    border-bottom: 0;
    border-right: 0;
    top: 10px;
}