.btn_Insert {background-image:none;} 
.btn_Modif {background-image:none;} 
.btn_Supprime {background-image:none;} 
.btn_Valid {background-image:none;} 
.btn_Photo {background-image:none;} 
.btn_Filtrer {background-image:none;} 
.btn_Liste {background-image:none;} 
.tomail {background-image:none;} 
.tosms {background-image:none;} 
.toclasse {background-image:none;} 
.tops12 {background-image:none;}