@-moz-document domain(tumblr.com) {
ol#posts li.post.new_post {
background: #000000 url('http://i991.photobucket.com/albums/af32/helloxxrabbit/hungergames.png') center center no-repeat;}

img[src*="http://assets.tumblr.com/images/new_post_icons_no_labels.png"]{
    width:0;
    height:100px;
    padding-right:250px;
    opacity: 0;}

ol#posts .post.new_post .new_post_label {
display:none !important;
}
}