.menu1 {  background-attachment: fixed; background-image: url(../images/fond_menu1.jpg); background-repeat: no-repeat; background-position: left top}
.moules {  background-attachment: fixed; background-image: url(../images/fond_moules.jpg); background-repeat: no-repeat; background-position: left top}
.dessert {  background-attachment: fixed; background-image: url(../images/fond_desert.jpg); background-repeat: no-repeat; background-position: left top}
.salades {  background-attachment: fixed; background-image: url(../images/fond_salades.jpg); background-repeat: no-repeat; background-position: left top}
.entrees {  background-attachment: fixed; background-image: url(../images/fond_entrees.jpg); background-repeat: no-repeat; background-position: left top}
.vin {  background-attachment: fixed; background-image: url(../images/fond_vins.jpg); background-repeat: no-repeat; background-position: left top}
.menu2 {  background-attachment: fixed; background-image: url(../images/fond_menu2.jpg); background-repeat: no-repeat; background-position: left top}
.menu3 {  background-attachment: fixed; background-image: url(../images/fond_menu3.jpg); background-repeat: no-repeat; background-position: left top}
.plats {  background-attachment: fixed; background-image: url(../images/fond_plats.jpg); background-repeat: no-repeat; background-position: left top}