#intercom-container .intercom-header-buttons-close.intercom-header-buttons-close-visible {
    display: none !important;
}

#intercom-container .intercom-messenger-frame, #intercom-positioner-tree .intercom-messenger-frame {
    z-index: 2147483000 !important;
    position: fixed !important;
    bottom: 15px;
    right: 15px;
    height: calc(100% - 20px - 20px);
    width: 432px !important;
    min-height: 250px !important;
    max-height: 550px !important;
    -webkit-box-shadow: 0 5px 40px rgba(0, 0, 0, 0.16) !important;
    box-shadow: 0 5px 40px rgba(0, 0, 0, 0.16) !important;
    border-radius: 5px !important;
    overflow: hidden !important;
    opacity: 1 !important;
}

 a.sh_livechat.active {
    background-color: none !important;
}