@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document url("about:blank") {
    * {
        background: url("http://www.kwikpiks.com/files/15/about_blank.png");

        margin: 0px;
        background-position: center;
        background-attachment: fixed;
        background-repeat: no-repeat;

    }
}