ul#headerAnimation li#slide1 {
  background: url('gfx/home_actievandedag.jpg') no-repeat center center;
}
ul#headerAnimation li#slide2 {
  background: url('gfx/home_outdoor.jpg') no-repeat center center;
  visibility: hidden;
}
ul#headerAnimation li#slide3 {
  background: url('gfx/home_zanussies.jpg') no-repeat center center;
  visibility: hidden;
}