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


#con {
    position: fixed;
    color: white;
    background-color: #2175BC;
    border-radius: 10px;
    padding: 5px;
    right: 10px;
    top: 55px;
    cursor: pointer;
}