body {
 background-image:url('essaiFond.jpg'); 
  background-repeat: repeat-y;repeat-x ;
  background-repeat: repeat-y 
 scrollbar-arrow-color:#0000FF;
scrollbar-face-color:#blue;
scrollbar-highlight-color:#0000FF;
scrollbar-3dlight-color:#0000FF;
scrollbar-shadow-color:#0000FF;
scrollbar-darkshadow-color:#0000FF;
scrollbar-track-color:#blue

}