body, html {
 scrollbar-arrow-color: #ffffff ;
 scrollbar-track-color: #ffffff ;
 scrollbar-shadow-color: #c3c3c3 ;   /* gris */
 scrollbar-face-color: #000000 ;
 scrollbar-highlight-color: #ffffff ;
 scrollbar-darkshadow-color: #ffffff ;
 scrollbar-3dlight-color: #ffffff ;
 }