#aboutDialogContainer {
  background-image: url("chrome://branding/content/about-background.png");
  background-repeat: no-repeat;
  background-color: #000;
  color: #fff;
}

.text-link {
  color: #fff !important;
}

#rightBox {
  /* this margin prevents text from overlapping the planet image */
  margin-left: 280px;
  margin-right: 20px;
}

#bottomBox {
  background-color: rgba(0,0,0,.7);
}