a.category-navigation-Additional-Glass-Art-by- {
  width: 209px;
  height: 17px;
  background:url(/dynamic_text_images/navigation/Additional.sp.Glass.sp.Art.sp.by.sp..png);
}
a.category-navigation-Additional-Glass-Art-by-:hover {
  background-position: 209px 0px;
}
a.category-navigation-Biography {
  width: 104px;
  height: 17px;
  background:url(/dynamic_text_images/navigation/Biography.png);
}
a.category-navigation-Biography:hover {
  background-position: 104px 0px;
}