/*更换背景*/
body {
color: #000;
background: url(https://images.cnblogs.com/cnblogs_com/chester-cs/1577846/o_%E6%9C%AA%E5%91%BD%E5%90%8D1.png) fixed;
background-size: 1300px;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}

/*去除广告*/
div[id^="ad_"] {
    display: none;
}
div[class^="c_ad"] {
    display: none;
}
div[id^="under_post"] {
    display: none;
}