@-moz-document domain(tumblr.com) {
#home_button > A {
  background-image: url("http://24.media.tumblr.com/tumblr_ma3cp2vIEy1r7wvzxo1_400.png") !important;
  background-size: 35px 35px !important;
  margin-left: 5px !important;
  opacity: 1 !important;
}
}