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

@-moz-document domain(nicovideo.jp) {
	div[id^="web_pc_"],
	div[class^="ads_"],
	div[class^="content_"] > div:first-child,
	map[name="WORLDWIDE"] + p,
	div#WATCHFOOTER { display: none !important; }
}

@-moz-document url-prefix(http://www.nicovideo.jp/ranking) {
	div[class^="content_"] > div:first-child { display: block !important; }
	div[class^="content_"] > div:first-child + div { display: none !important; }
}

@-moz-document url-prefix(http://www.nicovideo.jp/watch) {
	div#PAGEFOOTER > noscript + p { display: none !important; }
}