html, body {
  margin: 0;
  padding: 0;
}

#darkbox_overlay {
  background: #000;
  opacity: .6;
  filter: alpha(opacity=60);
}

#darkbox_content {
  color: #333;
  background: #fff;
  padding: 20px;
}

#darkbox_close_button {
  display: block;
  background: url(darkbox_close.png) no-repeat;
  width: 30px;
  height: 30px;
  position: absolute;
  top: -13px;
  right: -16px;
}

#darkbox_close_button:hover {
  background-position: 0 -30px
}

#darkbox_image {
  display: block;
}