.scrollup {
    position: relative;
    z-index: 999;
}
.icon1 {
    width: 36px;
}
svg {
    position: fixed;
    bottom: 50px;
    right: 20px;
    width: 80px;
}
#Rectangle_13-2, #Path_1 {
    transition: 0.3s;
}
.linkscroll:hover #Rectangle_13-2 {
    fill: #2B2B2B;
}
.linkscroll:hover #Path_1 {
    fill: #fff;
}