#go-page-top {
    position: fixed;
    bottom: 0;
    right: 0;
    font-size: 77%;
    z-index: 999;
}
/**
#go-page-top a {
    background: #666;
    text-decoration: none;
    color: #fff;
    width: 100px;
    padding: 30px 0;
    text-align: center;
    display: block;
    border-radius: 5px;
}
 ***/
#go-page-top a:hover {
    text-decoration: none;
    background: #999;
}
 ***/