@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("nicovideo.jp") {

#PAGEFOOTER,
#WATCHFOOTER,
#web_pc_branding,
#web_pc_megatext,
.last_action,
[href*="ad.nicovideo.jp"],
table[style="margin-left: auto;"],
.content_312,
.ads_468
{ display: none !important; }
div#flvplayer_container {padding-bottom: 150px !important;}
}