.lisa_button {
    display: block;
    background: url(/survey/assets/images/lisa_button.png) 0 0 no-repeat;
    width: 120px;
    height: 81px;
    background-size: contain;
    position: fixed;
    bottom: 110px;
    right: 32px;
    z-index: 499841;
}

@media (max-width: 767px) {
    .lisa_button {
        width: 94px;
        height: 81px;
        bottom: 90px;
        right: 13px;
    }
}