@-moz-document url-prefix("https://www.tumblr.com/") {
.footer_links,
#footer,
#slideshow_track,
p.forgot_password,
a.login
{
display:none !important;
}

 body {
    background: url(http://i241.photobucket.com/albums/ff319/gg1014/249_859.jpg) center #000000 no-repeat fixed; background-size: 100%;!important;
  }
}