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

@-moz-document domain("channel4.com") {
#c4ad-Middle1, #c4ad-Right1, #c4ad-Right2, #c4ad-Right3, .promo-slot, .ad, #c4ad-Top, #c4ad-BottomRight, #c4ad-BottomLeft {display:none!important}
}