@media (max-width: 1000px) {
    .back-to-top {
        display: none !important;
    }
}

.topButton {
    display: none;
}

.back-to-top {
    cursor: pointer;
    position: fixed;
    right: 80px;
    top: -999px;
    z-index: 2;
    width: 70px;
    height: 800px;
    background: url(../images/1.png);
    transition: all .5s ease-in-out;
    opacity: 1;
}