.scrollup {
    border-radius: 5px;
    bottom: 10px;
    color: #fff;
    display: none;
    font-size: 14px;
    height: 35px;
    line-height: 35px;
    padding: 0;
    position: fixed;
    right: 25px;
    text-align: center;
    text-transform: uppercase;
    width: 35px;
    z-index: 998;
    cursor: pointer;
}
.scrollup {
    background: rgba(0, 4, 0, 0.6);
    background: #ff6633;
}