@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

#FSicon {
  list-style-image: url("chrome://fullerscreen/skin/fullerscreen.png");
  -moz-image-region: rect(0px 13px 13px 0px);
}

#FSicon:hover {
  -moz-image-region: rect(0px 26px 13px 13px);
}

#FSicon:hover:active {
  -moz-image-region: rect(0px 39px 13px 26px);
}

#FSslideShowIcon {
  list-style-image: url("chrome://fullerscreen/skin/slideshow.png");
  -moz-image-region: rect(0px 18px 18px 0px);
}

#FSslideShowIcon:hover,
#FSslideShowIcon:hover:active {
  -moz-image-region: rect(0px 36px 18px 18px);
}