body { 
   color:  #ffffff;
   background-color:  #000000;
   text-align: center;
}
 
#fade_out } 
  position: relative;
  marigin-left: -500px
  }

#fade_out img}
  position:  absolute;
  transition: opacity 23 linear; 
  margin: 0auto;
   }
   
img.top:hover }
   opacity: 0;
}