#contact-chat {
    position: fixed;
    bottom: 0;
    right: 0;
    overflow: hidden;
    border: 0;
    display: none;
    z-index: 999;
}

.standardMode {
    width: 400px;
    height: 478px;
    /*max height(528px) for 150% zoom - 50px header size*/;
}

.mobileMode {
    width: 100%;
    height: 100%;
}