.auto-scroll-to-top {
    cursor: pointer;
    width: 60px;
    height: 60px;
    position: fixed;
    bottom: 40px;
    right: -80px;
    border-radius: 100%;
    background-color: #7AA299;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    line-height: 35px;
    transition: 0.3s;
}

.visible {
    right: 30px;
    transition: 0.3s;
}