#yesTopHovertree {
    width: 54px;
    height: 54px;
    cursor: pointer;
    border-radius: 0%;
    position: fixed;
    opacity: 0.8;
    text-align: center;
    line-height: 48px;
    font-size: 12px;
    bottom: 80px;
    right: 105px;
    display: block;
    background-image: url("https://hovertree.com/texiao/yestop/inc/topback.gif");
    background-color: transparent;
}