.back_g{
 background-image:url(../images/back_dracolite_g.jpg);
 background-repeat:no-repeat;
 background-position:right top;
 
}
.back_pg{
 background-image:url(../images/back_dracolite_pg.jpg);
 background-repeat:no-repeat;
}
.back_pd{
 background-image:url(../images/back_dracolite_pd.jpg);
 background-repeat:no-repeat;
}
.back_d{
 background-image:url(../images/back_dracolite_d.jpg);
 background-repeat:no-repeat;
 background-position:left top;
 
}