.t-Footer-top {
    transform: scale(0);
    bottom: 15px;
    position: fixed;
    left: 4px;
    z-index: 700;
    opacity: 0;
    transition: 0.5s;
}

.t-Footer-topButton:hover {
    opacity: 1;
    background-color: rgb(255, 255, 255);
}

.t-Footer-top:hover {
    opacity: 1 !important;
    bottom: 20px;
    transform: scale(1.1)
}