/*推荐和反对*/
#div_digg {
    padding: 10px;
    position: fixed;
    _position: absolute;
    z-index: 1000;
    bottom: 20px;
    right: 0;
    _right: 17px;
    border: 1px solid #D9DBE1;
    background-color: #FFFFFF;
    filter: alpha(Opacity=80);
    -moz-opacity: 1;
    opacity: 1;
}

.icon_favorite {
    background: transparent url('https://files.cnblogs.com/files/jackson0714/kj.gif') no-repeat 0 0;
    padding-left: 16px;
}
/*返回顶部*/
#back-to-top {
background-color: #00000;
bottom: 100px;
box-shadow: 0 0 6px ;
color: #444444;
padding: 10px 10px;
position: fixed;
left: 1px;
cursor: pointer;
}

/*背景图片*/
body {
background: url(
https://images.cnblogs.com/cnblogs_com/449house/1601739/o_191127182456dirt.png
) ;
}