/* 广告屏蔽 */
#ad_t2 {
    display: none;
}
.c_ad_block {
    display: none;
}

/*背景颜色
body {
    background: darkcyan;
}
*/
body {
    background-image: url(https://images.cnblogs.com/cnblogs_com/chris-orz/2016071/o_210818030247博客园背景.png);
}