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

@-moz-document domain("kingdomofloathing.com") {
select[name*="item"] option[value]:not([value="819"]):not([value="820"]):not([value="821"]):not([value="822"]):not([value="823"]):not([value="824"]):not([value="825"]):not([value="826"]):not([value="827"]) {display: none !important;}
}