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

@-moz-document domain("twitter.com") {
body{
background:none !important;
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAMAAAAoyzS7AAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAAGUExURWZmZgAAAHP1f7oAAAAMSURBVHjaYmAACDAAAAIAAU9tWeEAAAAASUVORK5CYII=) !important; }
}