.frame-chat {
    position: fixed;
    right: 20px;
    bottom: 15px;
    height: 80px;
    z-index: 10000;
    overflow: hidden;
    width: 1px!important;
    height: 1px!important;
}

.frame-chat iframe {
    position: fixed;
     right: 0;
     bottom: 0;
     /* width: 100%;
     height: 100%;  */
 }


@media only screen and (max-width: 680px) {
    .frame-chat {
        right: 0;
        bottom: 0;
    }
}