@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain(youtube.com){
/*
* YouTube[Ad Cleaner++] 
*
* Author      : Yancie
* Created     : 20/06/11
* Version     : 1.1
* Description : Remove all the adds in youtube.com
*
*/

.ad-div,.homepage-masthead-ad,#google_companion_ad_div,#ad300x250,li[class^="video-list-item"] > a[href^="http://googleads.g.doubleclick.net/"],#watch-longform-ad
{display:none !important}

}