#backToTop {
    position: fixed;
    bottom: 164px;
    right: 20px;
    width: 42px;
    height: 42px;
    background: #D10023;
    color: #fff;
    border: 1px solid #e6c294;
    border-radius: 8px;
    font-size: 26px;
    cursor: pointer;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

    #backToTop.show {
        display: flex;
    }

    #backToTop:hover {
        background: #351019;
    }

@media (max-width: 600px) {
    #backToTop {
        bottom: 18px;
        left: 16px;
        width: 38px;
        height: 38px;
    }
}