ul.smothscroll {
    position: fixed;
    bottom: 25px;
    right: 30px;
    list-style: none;
    z-index: 99;
}

ul.smothscroll a {
    z-index: 1;
    width: 40px;
    height: 40px;
    display: block;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0px 4px 7px rgba(178, 190, 205, 0.29);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 14px;
}

ul.smothscroll a:hover {
    margin-bottom: 4px;
}

@media(max-width:767px) {
    ul.smothscroll a {
        width: 30px;
        height: 30px;
        line-height: 25px;
    }
}