#tasto_1{background-image:url(../graphic/tasto_1.jpg);}
#tasto_2{background-image:url(../graphic/tasto_2.jpg);}
#tasto_3{background-image:url(../graphic/tasto_3.jpg);}
#tasto_4{background-image:url(../graphic/tasto_4.jpg);}
#tasto_5{background-image:url(../graphic/tasto_5.jpg);}
#tasto_6{background-image:url(../graphic/tasto_6.jpg);}
#tasto_7{background-image:url(../graphic/tasto_7.jpg);}