/*屏蔽底层广告*/
.under-post-card,
#under_post_card1,
#under_post_card2{
 	display:none !important;
}

#ad_t2,#cnblogs_c1,
#under_post_news,
#cnblogs_c2,
#under_post_kb {
  display:none!important;
}

/* 设置置顶的图片 */
 #blogTitle{background:url(https://images.cnblogs.com/cnblogs_com/blogs/718627/galleries/2295909/o_230404081751_o_20051406472117.jpeg) center center / cover no-repeat #222;overflow:hidden;width:100%;height:40vh;max-height:40vh;box-shadow:0 1px 2px rgba(150,150,150,.7);       /*搜索这个 更换 background: url() 里的链接 即可*/