#ad_c1,#ad_c2,#ad_t2,#under_post_news,#under_post_kb{
display:none;
}
body{
 overflow-x：hidden;
}

.catListTitle{
 background:#0099CC;
}
header {
    position: absolute;
    top: 0;
    left: 0px;
    width: 100%;
    padding-left: 15px;
    height:60px;
    padding: 10px 0 0;
    background:  url(https://images.cnblogs.com/cnblogs_com/cwjie/796990/o_6366.png) left bottom no-repeat;
   
}