#site_nav_under {
    display: none;
}
.c_ad_block, .ad_text_commentbox {
    display: none;
    margin: 0;
    padding: 0;
}
#ad_under_google {
    height: 0;
    overflow: hidden;
}

#ad_under_google a {
    display: none;
}
#ad_t2 {
    height: 0;
    overflow: hidden;
}
#ad_t2 a {
    display: none;
}
#main {
font-size:20px;
font-family:华文行楷;
 padding-left: 0px;
 padding-right: 0px;
}