@-moz-document domain("sina.com.cn") {
.side-btns-2wm, .post_box_top, .clearAd {
    display: none !important;
    position: relative;
}
[class^=sinaad],
[class*=" sinaad"],
.sinaere,
.top-banner,
.blkContainerOther,
.wb_rec,
#wb_rec,
.wb_rec_c,
.blkContentSearch,
.part2,
.real-time-window,
.ct_page_wrap,
#ad_blk_fixed,
div[data-sudaclick="news_yesterday"],
div[data-sudaclick="nba_history"],
div[data-sudaclick="zttj"],
div[data-sudaclick="nba_manhua"],
div[data-sudaclick="nba_oldphoto"],
div[data-sudaclick="survey"],
div[data-sudaclick="nbastar_weibo"],
div[data-sudaclick="week_top"],
div[data-sudaclick="blog"],
div[data-sudaclick="top_nba_video"],
.sinaads-couplet-side,
div[id^=sinaad],
div[id^=_AdSame_],
ins {
    display: none !important;
}

.sidebar iframe{
    display: none !important;
}
}