.footer_nav {
    position: fixed;
    right: 0;
    bottom: 140px;
    z-index: 100;
    background-color:white;
}

.footer_nav > div {
    width: 80px;
    height: 89px;
    background: #fff;
    text-align: center;
}

.footer_nav > div .footer_img .icon_content_width {
    width: 34px;
    height: 34px;
    background-size: 100%
}

.footer_nav > div .footer_scale_font {
    margin-top: 2px;
    font-size: 10px;
    transform: scale(.8)
}

.footer_nav > div:hover {
    background: #ebebeb;
    cursor: pointer
}