.chat4Widget-container-outer {

}

.chat4Widget-container-outer .container {
    height: auto;
    width: auto;
}

.chat4Widget-container-outer .container iframe {
    width: fit-content;
    max-width: 100vw;
    height: 0;
    max-height: 100vh;
    position: fixed;
    bottom: 0;
    right: 0;
    z-index: 999999;
}

.chat4Widget-container-outer .__chat4Widget-iframe-show {
    transition: opacity 300ms;
    opacity: 1 !important;
}

.chat4Widget-container-outer .__chat4Widget-iframe-hide {
    opacity: 0;
}

@media screen and (max-width: 600px) {
    /* for mobile vh не рботает ! */
    .chat4Widget-container-outer .container iframe {
        max-height: calc(100% - 10px);
    }

    /* for setting panel */
    .widget-preview .chat4Widget-container-outer .container iframe {
        max-height: calc(100vh - 10px);
    }

}